Changing states of water requires energy, where does that energy come from?
Answers
Answer:
Energy comes from different sources such as oil, coal the wind and the sun.
Answer:different sources such as oil, coal, wind, the sun, water, natural gas and even manure.
Explanation:
Related Questions
Which of the following is an observation? Question 5 options: I think it is going to rain tomorrow. The turtle shell feels bumpy. I like turtles. When the phone rang and Liz picked it up, she was all smiles.
Answers
Answer:
1) I think it is going to rain tomorrow.
Explanation:
Answer: The turtle shell was bumpy.
Explanation: “I think” means it is a prediction, and the third one is an opinion. The last one is a story.
Write a description or a reason why you are doing this activities of conserving our natural resources.
1. Using a glass when brushing teeth -
2. Hanging clothes -
3. Walking -
4. Feeding the stray animals -
5. Using back page of paper -
6. Using fan -
7. Watering the plants -
8. Sweeping -
Answers
1. Using a glass when brushing teeth: By using a glass instead of leaving the tap running while brushing our teeth, we can conserve water. Freshwater is a finite resource, and reducing unnecessary water usage is essential for preserving our water supplies and ensuring their availability for both humans and the natural environment.
2. Hanging clothes: Opting to hang clothes to dry instead of using a dryer not only saves energy but also reduces greenhouse gas emissions. Clothes dryers consume a significant amount of electricity, and by utilizing natural methods like hanging clothes, we can contribute to reducing our energy consumption and lowering our carbon footprint.
3. Walking: Walking instead of using vehicles for short-distance travel offers multiple benefits. Firstly, it helps reduce air pollution by decreasing the emission of harmful gases from vehicles. Secondly, walking promotes personal health and well-being, as it is a form of physical exercise. Lastly, choosing to walk reduces traffic congestion and saves fuel.
4. Feeding stray animals: Feeding stray animals is an act of compassion and kindness. By providing food for stray animals, we help prevent their starvation and promote their overall welfare. It also reduces their need to hunt for food in natural habitats, preserving the delicate balance of local ecosystems.
5. Using the back page of paper: Utilizing both sides of a piece of paper helps reduce paper waste and conserves valuable forest resources. Paper production involves cutting down trees, and by maximizing the use of each sheet, we minimize the number of trees required to produce paper products.
6. Using a fan: Using a fan instead of an air conditioner helps reduce energy consumption and lowers greenhouse gas emissions. Air conditioners consume a significant amount of electricity, and by using fans to circulate air and provide cooling, we can contribute to conserving energy resources and mitigating the impact of climate change.
7. Watering the plants: Watering plants is essential for their growth and well-being. By providing them with adequate water, we support their ability to photosynthesize, produce oxygen, and contribute to a healthy ecosystem. Additionally, practicing responsible watering techniques, such as using watering cans instead of hoses, helps conserve water resources.
8. Sweeping: Sweeping instead of using a leaf blower or a hose to clean outdoor spaces reduces energy and water consumption. Leaf blowers and hoses consume significant amounts of electricity and water, respectively. Sweeping not only saves resources but also minimizes noise pollution and prevents soil erosion caused by high-pressure water flow.
Engaging in these activities of conserving natural resources demonstrates our commitment to environmental stewardship and sustainable living. By making conscious choices in our daily lives, we can contribute to the preservation and protection of the Earth's ecosystems for the benefit of current and future generations.
MAKE ME BRAINIST
50 POINTS!!!!!!!! HELP WILL GIVE BRAINLYEST
Myth: Mammals and plants don't belong in the same domain.
Fact: Mammals and plants belong in the same domain.
Evidence: Domain is “the broadest level of organization in the classification system”.
HELP!!!
Answers
Answer: Hey!
Myth: Mammals and plants don't belong in the same domain.
Fact: Mammals and plants do belong in the same domain.
Evidence: Domains classify by its amount of cells and the complexity of its cells.
Let me know if I answered your question incorrectly! <3
Which of the following fits in all of the missing boxes? HINT: The answer is the same for all boxes which have a question mark.
A.weathering and erosion B.compact and cement C.cooling and hardening D. heat and pressure
Answers
I think it’s C, cooling and hardening, but I might be wrong. If it’s wrong then I’m sorry.
Answer:
A weathering and erosion.
Explanation:
Because all of them have to be weathering and/or erosion
Who is Vandana Shiva
Answers
Vandana Shiva is an Indian scholar, environmental activist, and author known for her work in the field of environmental sustainability, biodiversity conservation, and social justice. She was born on November 5, 1952, in Dehradun, India. Shiva has a background in physics and earned her Ph.D. in philosophy from the University of Western Ontario, Canada.
Shiva is a prominent advocate for sustainable agriculture, seed sovereignty, and the rights of small-scale farmers. She is known for her opposition to genetically modified organisms (GMOs) and the negative impacts of industrial agriculture on the environment and local communities. Shiva has been involved in grassroots movements and organizations, including Navdanya, which promotes seed conservation and organic farming practices.
Vandana Shiva has authored numerous books, including "Staying Alive: Women, Ecology, and Development," "Earth Democracy: Justice, Sustainability, and Peace," and "Making Peace with the Earth." She has received several awards for her work, including the Right Livelihood Award (Alternative Nobel Prize) in 1993. Shiva continues to be actively involved in raising awareness about sustainable agriculture, biodiversity, and social justice issues on a global scale.
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Infectious Disease Investigation
The students are to investigate an infectious disease.
They will choose a specific infectious disease, such as the flu, common cold, or
COVID-19, and research its causes, symptoms, and preventive measures.
Students are to create informative posters or presentations about the disease,
including its transmission methods and ways to protect oneself from infection.
They will explain the importance of personal hygiene and vaccination in preventing
the spread of infectious diseases.
Following the summer vacation, the students will be given an opportunity to present
their findings to the class or organize an "Infectious Disease Awareness Campaign"
where they can share their posters or presentations with their peers.
Answers
Answer:
The common cold is an illness affecting your nose and throat. Most often, it's harmless, but it might not feel that way. Germs called viruses cause a common cold.
Often, adults may have two or three colds each year. Infants and young children may have colds more often
explain the technology watney used in the first chapter of the martian
Answers
Answer:
Image result for Explain the technology watney used in the first chapter of the martian
The Mars Ascent Vehicle in "The Martian" is powered by a radioisotope thermoelectric generator (RTG), which converts the heat of the radioactive decay of plutonium-238 into electricity. This RTG is buried a safe distance away from the pioneers' living quarters.
Explanation:
Answer:old tech
Explanation:
Please help! 45 points!
Type several paragraphs describing how your models showed the effect of the rotation of Earth on day and night and the effect of Earth’s tilt on seasons and regional climates.
Please don't copy and paste from other websites, write everything in your own words.
Answers
Answer:
Explanation:
What Causes the Seasons?
The Short Answer:
Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.
It's all about Earth's tilt!
Many people believe that Earth is closer to the Sun in the summer and that is why it is hotter. And, likewise, they think Earth is farthest from the Sun in the winter.
Although this idea makes sense, it is incorrect.
It is true that Earth's orbit is not a perfect circle. It is a bit lop-sided. During part of the year, Earth is closer to the Sun than at other times. However, in the Northern Hemisphere, we are having winter when Earth is closest to the Sun and summer when it is farthest away! Compared with how far away the Sun is, this change in Earth's distance throughout the year does not make much difference to our weather.
There is a different reason for Earth's seasons.
Earth's axis is an imaginary pole going right through the center of Earth from "top" to "bottom." Earth spins around this pole, making one complete turn each day. That is why we have day and night, and why every part of Earth's surface gets some of each.
Earth has seasons because its axis doesn't stand up straight.
But what caused Earth to tilt?
Cartoon of large object hitting Earth, knocking out big chunks of material that become the future Moon, and tilting the Earth's axis.
Long, long ago, when Earth was young, it is thought that something big hit Earth and knocked it off-kilter. So instead of rotating with its axis straight up and down, it leans over a bit.
By the way, that big thing that hit Earth is called Theia. It also blasted a big hole in the surface. That big hit sent a huge amount of dust and rubble into orbit. Most scientists think that that rubble, in time, became our Moon.
As Earth orbits the Sun, its tilted axis always points in the same direction. So, throughout the year, different parts of Earth get the Sun’s direct rays.
Earth's tilt is the reason for the seasons. View of Earth in relation to Sun during each of the four seasons. The hemisphere receiving the direct rays of the Sun has summer while the hemisphere tilted away from the Sun, thus getting its rays from more of an angle, has winter.
Sometimes it is the North Pole tilting toward the Sun (around June) and sometimes it is the South Pole tilting toward the Sun (around December).
It is summer in June in the Northern Hemisphere because the Sun's rays hit that part of Earth more directly than at any other time of the year. It is winter in December in the Northern Hemisphere, because that is when it is the South Pole's turn to be tilted toward the Sun.
Earth's lopsided orbit
Earth's perihelion (point closest to Sun) = 91,400,000 miles from Sun
Earth's aphelion (point farthest from Sun) = 94,500,000 miles from Sun
While that is a difference of over 3 million miles, relative to the entire distance, it isn’t much.
Drawing shows top-down view of Earth's orbit with Sun near center, showing distances from Sun at aphelion and perihelion.
And, believe it or not, aphelion (when Earth is farthest from the Sun) occurs in July, and perihelion (when we are closest) occurs in January. For those of us who live in the Northern Hemisphere where it's summer in July and winter in January, that seems backwards, doesn't it? That just goes to prove that Earth's distance from the Sun is not the cause of the seasons.
The rotation of Earth is the reason why we have day and night. Earth rotates on its axis, which is an imaginary line that runs from the North Pole to the South Pole. As Earth rotates, different parts of the planet are exposed to the Sun's light. When your part of the planet is facing the Sun, it's daytime. When your part of the planet is facing away from the Sun, it's nighttime. This rotation takes about 24 hours to complete, which is why we have a 24-hour day.
The tilt of Earth's axis is what causes the seasons. Earth's axis is tilted at an angle of about 23.5 degrees relative to its orbit around the Sun. This means that as Earth orbits the Sun, different parts of the planet are tilted towards or away from the Sun at different times of the year. When a part of the planet is tilted towards the Sun, it receives more direct sunlight and experiences warmer temperatures. When a part of the planet is tilted away from the Sun, it receives less direct sunlight and experiences cooler temperatures. This is why we have different seasons throughout the year.
Earth's tilt also affects regional climates. The amount of sunlight that a region receives depends on its latitude, or how far it is from the equator. Regions near the equator receive more direct sunlight throughout the year, so they tend to be warmer. Regions near the poles receive less direct sunlight, so they tend to be colder. However, Earth's tilt also affects the amount of sunlight that different regions receive throughout the year. For example, during the summer, the Northern Hemisphere is tilted towards the Sun, so it receives more direct sunlight. This causes warmer temperatures and longer days in the Northern Hemisphere. During the winter, the Northern Hemisphere is tilted away from the Sun, so it receives less direct sunlight. This causes cooler temperatures and shorter days in the Northern Hemisphere.
How does the cardiovascular system interact with the respiratory system?
A.
Blood helps the brain interpret different smells.
B.
Blood helps the lungs to inflate and deflate to breathe.
C.
Blood transports oxygen from the lungs to other organs.
D.
Blood transports nutrients from the stomach to other organs.
Answers
Is this the correct answer to this question?
Simple yes or no: if no, please explain
Where do you think rain comes from?
Within a cloud, water droplets condense onto one another, causing the droplets to grow. When these water droplets get too heavy to stay suspended in the cloud, they fall to Earth as rain.
Answers
Animals use a variety of behaviors to increase the chance of survival for their offspring. Which also doubles as a territorial behavior?
A. Birds use nests to lay eggs and raise their young before they are ready to fly.
B. Sea turtles lay their eggs in sandy nests to keep them hidden from predators and to regulate their temperature.
C. Koalas and other marsupials carry their young on their bodies as they travel.
D. Bison travel in herds and surround calves when a predator is nearby in order to protect them from any attacks.
IM BRGGINH
Answers
Explain how you and a pet can have a mutualistic relationship. Provide an example in your explanation
Answers
Answer:
You, a human being and a pet share a mutualistic relationship. A mutualistic relationship is a relationship in which two different species of organisms benefit each other. You and your pet have a mutualistic relationship because a pet provides companionship, comfort, in some cases protection (depending on the pet), and protecting your home from rodents (also depending on the pet). While animals provide these services for humans, in return we provide food, water, shelter, and love/comfort for the animal. Both organisms (you and your pet) benefit from your relationship therefore it is mutualistic.
Answer:
You get happy chemicals, pet get healthy shelter
Explanation:
A pet can be stress-relieving for you, and the pet may also get a healthy lifestyle: food, shelter, etc.
What best describes ribosomes?
Answers
Ribosomes are cellular structures that synthesize proteins from amino acids. They are composed of ribosomal RNA and proteins and are found in both prokaryotic and eukaryotic cells.
Ribosomes are essential for gene expression and cell growth. They can be free in the cytoplasm or bound to the endoplasmic reticulum or the nuclear envelope.
An example of a ribosome function is the translation of a messenger RNA (mRNA) sequence into a polypeptide chain. The ribosome reads the mRNA codons and matchesthem with the corresponding transfer RNA (tRNA) anticodons that carry the amino acids. The ribosome then forms a peptide bond between the amino acids and releases the tRNA. This process continues until the ribosome reaches a stop codon on the mRNA and terminates the protein synthesis.
Answer:
A ribosome is a intercellular structure made of RNA and protein
Explanation:
Why might dew form in the morning?(1 point) The temperature rose overnight, and warmer air can hold more water vapor. The temperature rose overnight, and warmer air can hold more water vapor. The temperature fell overnight, and colder air can hold less water vapor. The temperature fell overnight, and colder air can hold less water vapor. The temperature rose overnight, and warmer air can hold less water vapor. The temperature rose overnight, and warmer air can hold less water vapor. The temperature fell overnight, and colder air can hold more water vapor.
Answers
Why might dew form in the morning:
○The temperature fell overnight, and colder air can hold less water vapor.
Hope this helped you- have a good day bro cya)
Dew form in the morning because the temperature fell overnight, and colder air can hold less water vapor. The correct option is c.
What is dew?As the temperature drops and things get colder, dew forms. The air around an object will cool if it becomes cold enough. Warm air can store more water vapor than cold air, but not as much. As a result, the air around cooling objects is forced to condense water vapor.
At the night, the temperature is less because of not sun. In less temperature, water freezes, and the air consensus turns into drops of water.
Water tends to gather on surfaces and draw itself together as droplets, or dew, since it has high surface tension. It frequently gathers in locations that are naturally chilly.
Therefore, the correct option is c, The temperature fell overnight, and colder air can hold less water vapor.
To learn more about dew, refer to the below link:
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Komodo dragons (a lizard species) and red-tailed boas (a snake species) are both reptiles. They share a common ancestor population that lived about 250 million years ago, but they have been separated in different environments, with different food sources, for millions of years. Komodo dragons and red-tailed boas have some shared structures. They also have some differences in their structures.
1.Why do Komodo dragons and red-tailed boas have some shared structures and some different structures?
Answers
Komodo dragons and red-tailed boas have some shared structures because they both evolved from a common ancestor population that lived about 250 million years ago.
What is the difference has come over the time in these species?Over time, as these two species separated into different environments with different food sources, they underwent separate evolutionary trajectories that led to differences in their structures. However, many of the underlying genetic and developmental mechanisms that produced their ancestral structures are still present in both species.
For example, both Komodo dragons and red-tailed boas have scales, which are a common feature of reptiles. Scales serve to protect the skin from abrasion and injury, as well as to reduce water loss. They also both have a vertebral column, which provides support for the body and protects the spinal cord.
At the same time, Komodo dragons and red-tailed boas have differences in their structures because they evolved in different environments and have different feeding strategies. Komodo dragons are large, carnivorous lizards that use their sharp teeth and powerful jaws to hunt and kill prey, while red-tailed boas are constrictor snakes that use their muscular bodies to suffocate and swallow their prey whole.
As a result, the structures of their jaws, teeth, and digestive systems are adapted to their respective diets and hunting strategies, and differ in significant ways.
Overall, the shared and different structures between Komodo dragons and red-tailed boas reflect both their common evolutionary heritage and their divergent evolutionary trajectories.
Learn more about lizards at:
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The following table shows the currently accepted half-life values for four parent isotopes.
Parent Isotope Currently Accepted Half-Life Values
Uranium-238 4.5 billion years
Uranium-235 704 million years
Thorium-232 14.0 billion years
Rubidium-87 48.8 billion years
Potassium-40 1.25 billion years
Samarium-147 106 billion years
Earth is approximately 4.5 billion years old. Given this information and the data in the table, which of the following isotopes could today contain less than 50 percent of its parent isotope?
Rubidium-87
Thorium-232
Uranium-235
Uranium-238
Answers
Answer:
The amount of substance present in a certain sample can be calculated through the equation,
A(t) = A(o)(0.5)^(t/h)
where At is the amount now, Ao is the original amount, t is the number of years and h is the half-life.
For a substance to at most 50% of the original amount, we get the half-life value.
At/Ao = 0.5 = 0.5^(4.5/h)
h = 4.5 billion.
ok the answers are simple:
Parent Isotope Currently Accepted Half-Life Values: is the first one uranium-238 4.5 billion years
Earth is approximately 4.5 billion years old. Given this information and the data in the table, which of the following isotopes could today contain less than 50 percent of its parent isotope: uranium- 238
What does a football player need to do to change the position of the football?
Answers
In other to change the position of the football, a player may kick the ball in the direction of preference. The ball can change the position based on the force applied.
When a football is kicked, it travels towards the direction of the applied force,( ignoring air constraint) which may alter its movement.
The speed of travel is a function of the applied force due to the leg muscles and the intensity of the kicker.
Therefore, to change the position of the football, the player needs to apply a force on the ball in any preferred direction.
Learn more : https://brainly.com/question/22917438
A group of wolves is led by a male wolf and a female wolf. The two wolves lead the hunting and get to eat the captured prey first. They are the only wolves in the group who have pups. The other members of the group help to feed and care for the pups. The group works together to stop other wolves from entering the area where they live.
Identify the social structure and describe the social behaviors of the wolves. Explain how these behaviors help the wolves survive.
Answers
Answer:
Alpha
- responsible for making decisions
- the best in terms of managing the pack
Beta
- next best candidate for alpha
- advisor to alpha
- reinforces the alpha's commands
Delta
- protects the pack
- aids in hunting
Omega
- responsible for watching boundaries of the territory
- social glue
- scapegoat
Observation
Use your senses to make an observation about your environment.
Questions
Create a hypothesis that can be tested in an experiment.
Remember, a hypothesis has a specific "if then" wording.It describes what will happen to the dependent variable when changes are made to the independent variable.For example, "If a plant is fertilized (independent variable), then it will grow faster (dependent variable)."
Design and plan an experiment.
Be sure to identify an independent variable, a dependent variable, and any controls.Remember, controls are factors which stay the same.In an experiment designed to test the previously stated hypothesis, one control would be to use the same kind of plant.Write a complete description of your experiment.Include a list of necessary materials.It is a good idea to follow a step-by-step procedure format.Think of everything you need to do, then write it down in the order it must be completed.Your description and procedure should be clear enough that another person could duplicate your experiment exactly.
Answers
Answer: E
Explanation:
Experiment Design:
Independent Variable: Intensity of light (Low, Medium, High)
Dependent Variable: Rate of photosynthesis (measured by oxygen production or CO2 consumption)
Control: Same kind of plant, constant temperature, constant CO2 concentration, constant water availability, and constant duration of light exposure.
Materials:
Three identical potted plants (of the same species)
Light source(s) with adjustable intensity
Light meter (lux meter) to measure light intensity
CO2 gas sensor or oxygen gas sensor
Timer or stopwatch
Water supply
Thermometer
Data recording sheets
Procedure:
Set up the three identical potted plants in a controlled environment with the same temperature and CO2 concentration.
Ensure that all plants receive the same amount of water.
Place the light source(s) at an equal distance from the plants.
Measure and record the initial light intensity using the lux meter.
Adjust the light intensity to low for the first plant, medium for the second plant, and high for the third plant.
Start the timer and expose the plants to light for a specified duration (e.g., 1 hour).
During the exposure period, measure and record the temperature, CO2 concentration (if possible), and light intensity at regular intervals.
After the exposure period, use the CO2 gas sensor or oxygen gas sensor to measure the change in CO2 concentration or oxygen production, respectively, in the surrounding air.
Record the data obtained from the sensors and calculate the rate of photosynthesis for each plant.
Repeat the experiment multiple times to ensure reliability and average the results.
Analyze the data collected and compare the rates of photosynthesis among the three different light intensities.
Draw conclusions based on the analysis and determine whether the hypothesis is supported or rejected.
By following this experimental design, you can test the hypothesis and determine the effect of light intensity on the rate of photosynthesis in plants. Remember to conduct the experiment in a controlled environment and gather sufficient data for accurate analysis.
solve ill give 20pts. do all of them
Answers
Answer:
that
she
Explanation:
Answer:
thats a test
Explanation:
The first step after birth is ___________
Answers
Answer:
Immediate newborn assessments include weight, length, and medicines, to make sure that the baby is healthy and stable.
Answer:
First you check the weight of the baby to make sure its healthy.
Explanation:
The ionosphere is classified by its _____.
A. properties of its gases
B. temperature profile (characteristics)
C. electrical properties
D. all of the above
Answers
Answer:
C. electrical properties
Explanation:
The ionosphere is classified by its. electrical properties. As you climb through the thermosphere, the temperature. increases. As you climb through the mesosphere, the temperature.
have great day♡
The graph shows the populations of wolves and mountain lions in five different counties in Montana. Wolves and mountain lions are both carnivores. Hunting of mountains lions is allowed in the State of Montana. Clay County recently extended its hunting season for mountain lions from 6 months to 9 months. What would you predict will happen to the populations of wolves and mountain lions in Clay County?
A). Both populations would stay about the same
B). Both populations will decrease tremendously
C). The wolf population would slightly increase as the mountain lions population decreases
D). The wolf population worum greatly increase and the mountain lions population will die out
Answers
Answer:
Maybe C. or D..
Explanation:
I think it is D. more.
A pedigree chart is used to _______.
predict percentage of offspring with a trait
predict genotypic probabilities
track inherited traits through generations
identify the genotype of parents
Answers
A pedigree chart is used to track inherited traits through generations.
A pedigree chart is a visual tool that represents the inheritance patterns of specific traits or genetic conditions within a family. It helps to trace the occurrence of traits, diseases, or genetic conditions across multiple generations by depicting the relationships between individuals and their affected or unaffected status.
Pedigree charts are commonly used in genetics and genetic counseling to analyze patterns of inheritance, identify carriers of genetic disorders, determine the probability of passing on certain traits or diseases, and study the transmission of traits within families. By examining the patterns of inheritance in a pedigree chart, one can gain insights into the mode of inheritance, such as autosomal dominant, autosomal recessive, or X-linked inheritance, and make predictions about the likelihood of certain traits or conditions appearing in future generations.
Which of the following would affect the distribution pattern of a population?
A- whether the population is evolving
B- the distribution of resources
C- the genetic diversity of the population
D- whether the organisms are terrestrial or aquatic
Answers
Answer:
A- si la población está evolucionando
Explanation:
place the parts of the human circulatory system in order from highest to lowest degree of internal organization
Answers
Answer:
READ ALL OF THIS! Cell, tissue, organ and system.
Explanation:
Cells? Are produced to form tissue and A tissue needs to exist to make up Organs.
the highest level of organization is biosphere, It encompasses all of the others.
Please tell me if i'm correct!
PLZZ HELP THIS DUE TODAY AND I STRESS OUT PLZZ HELP ME ONLY GIVE ME THE CORRECT ANSWER PLZZZ this due today !!!!HELPP
1. The space exploration program has hired you for advice on how to keep astronauts healthy in the space shuttle. How can the program's doctors make sure the astronauts’ bodies work well enough to exercise in space?
A. The doctors could make sure that the astronauts’ bodies can make enough energy by getting enough sleep.
B. The doctors could make sure the astronauts’ stomachs are getting the molecules they need from food and air.
C. The doctors could make sure the astronauts’ cells are getting the molecules they need from food and air.
D. The doctors could make sure the astronauts’ cells are getting different types of molecules from food.
2. Some types of syrup are almost entirely made of glucose molecules. If a person ate some syrup like this, what would happen to her ability to exercise?
A. It would be harder for her to exercise because her digestive system would need to use more enzymes to combine the glucose molecules together.
B. It would be easier for her to exercise because glucose moves through the circulatory system faster than other food molecules usually do.
C. Nothing would happen to her ability to exercise, but her respiratory system would not work as hard, since glucose has more energy than oxygen molecules.
D. Nothing would happen to her ability to exercise, but her digestive system would not work as hard, since glucose is already small enough to get to her cells.
3. Doctors tested a patient and found that his cells contained normal levels of oxygen and glucose molecules, and no starch molecules. Will this patient be able to exercise normally?
A. Yes, the glucose and oxygen molecules can react together to release energy for the body to function.
B. No, his digestive system is not breaking down food molecules; his cells need starch molecules to react with glucose, which releases energy.
C. No, his body systems are working, but he needs to eat different food; in cells, only amino acids can react with oxygen to release energy.
D. Yes, as long as his cells have glucose, they don’t need anything else to release energy for the body to function
4. Some problems with the digestive system make it very difficult for the body to digest enough food. Why would it be harder to exercise when you have a digestion problem like this?
A. You would not be able to sleep, which would make you too tired to exercise.
B. Your cells would have molecules from air, but would not get enough molecules from food.
C. You would need to breathe in a lot more air because your body would have fewer molecules from food.
D. You would not get any of the molecules your cells need to exercise.
5. The test report above shows the level of molecules in different parts of the patient’s body. How would you expect this patient to do on an exercise test? (use the image only for this question!!!)
6. Two soccer teams, the Bears and the Panthers, played games at the same time in two different locations. The Bears game was played at sea level, where there is a normal amount of oxygen. Before their game, the players on the Bears ate a lunch of mostly starch. The Panthers game was played at very high altitude, where there is less oxygen. The players on the Panthers ate a lunch of starch and protein. Which team probably did better in their game? *
A. The Bears probably did better because their cells released energy from oxygen reacting with glucose, which was broken down from starch in the digestive system.
B. The Panthers probably did better because their cells released energy from breaking down protein in the digestive system, which then combined with oxygen in cells.
C. The teams did equally well because their digestive systems just need to break down starch into glucose for cells to release energy.
D. The teams did equally well because glucose from starch can react with oxygen or proteins to release energy.
7. A student thinks that the human body only works properly when cells are getting molecules from food and molecules from air. Is the student correct?
A. Yes, the body only works when cells get molecules from food and molecules from air.
B. No, the body only works when cells are getting molecules from different types of food.
C. No, the body only works when the lungs get molecules from air, and the stomach gets molecules from food.
D. No, the body works as long as cells are making all the molecules they need.
8. Stella’s respiratory system is not working well. Why is this a problem for her ability to exercise?
A. Her respiratory system will not be able to break down molecules from air into oxygen.
B. Her cells will not work well when they have low levels of oxygen.
C. Her digestive system will have to work twice as hard to get the same amount of energy from glucose molecules.
D. Her cells will not work because molecules from air will be too large for her body to use.
Answers
Answer:
1. C
2.C
3.A
4.B
5. Poorly; his digestive system is not breaking down molecules from food into glucose
6.A
7.A
8.B
Explanation:
After assembling the materials, record your observations. Describe what the setup looks like and the color of the leaves and twigs. Predict what changes will take place over the next few weeks.
Answers
Answer: here is an answer sorry if it's not what u were looking for but I have no information to correctly answer this ques
Explanation:
In the areas with lots of human interference, human activity has contributed to a lower biodiversity. People might litter on the ground or simply step on animals. Other times, people may add chemical fertilizers and pesticides to the soil. These activities all contribute to a loss of biodiversity. A low biodiversity is unfavorable because these ecosystems take longer to recover from environmental changes.
I have a homework assignment that tells me to create a chat between two parts of the endocrine system when you are about to sleep. I know that the two glands would be the hypothalamus and the pineal gland. The thing is I can't find out which hormone the hypothalamus produces that sends signals to the pineal gland to produce melatonin. any help would be massively appreciated
Answers
Here is a possible chat between the hypothalamus and the pineal gland before sleep:
Hypothalamus: Hey pineal gland, it's getting dark outside. Time to start producing melatonin.Pineal gland: Sure thing, hypothalamus. I'll get right on it.Hypothalamus: Thanks, pineal gland. I'm going to go take a nap now.Pineal gland: Good night, hypothalamus. Sleep well.How does the endocrine system work for sleep?The hormone that the hypothalamus produces that sends signals to the pineal gland to produce melatonin is called melatonin-releasing hormone (MSH). The hypothalamus and the pineal gland work together to regulate sleep-wake cycle.
When it gets dark outside, the hypothalamus releases MSH, which signals the pineal gland to start producing melatonin. Melatonin is a hormone that makes the body feel sleepy. It helps to regulate the body's internal clock and to promote sleep.
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Why does the fungus: Phytophthora infestans, attack potato crops?
Answers
Answer:
Phytophthora infestans is an oomycete or water mold, a fungus-like microorganism that causes the serious potato and tomato disease known as late blight or potato blight. Early blight, caused by Alternaria solani, is also often called "potato blight".
Explanation:
Answer:
Explanation:
Late Blight is caused by the fungus Phytophthora infestans. The late blight fungus is especially adapted for growth under conditions where water is present and cool temperatures persist. Temperatures ranging from approximately 50 to mid 90s oF will enable disease progression in the field (Franc et al., 1996).