Please answer worth 100 point n what direction does an applied force move an object?
Which of the following is not an example of work?
Watt, which is a unit of power, is equal to_________________.
A joule, which is a unit of work, is equal to________________.
Which simple machines make up scissors?
Unit 2
When a driver touches a car's steering wheel on a hot day, heat is transferred to the driver's hands by __________.
Sun warms the earth by________.
How can you tell if two objects are in thermal equilibrium?
What happens when the temperature of an object increases?
What happens when the temperature of an object decreases?
Unit 3
Which type of wave has a wave perpendicular to the disturbance?
Which of these waves cannot travel in a vacuum?
Which is true of a mechanical wave?
The Doppler effect is used at baseball games to measure______.
The Doppler effect is used in hospitals to_____.
Unit 4
Which color is absorbed, and which is reflected by the leaves of most plants?
Which part of the electromagnetic spectrum is divided into seven ranges of wavelengths and is the part visible to the human eye?
Most objects emit infrared energy. How do humans recognize this?
Exposure to what type of radiant energy is sensed by human skin as warmth?
Reflexio is the Latin root for which word?
Unit 5
Can two negatively charged balloons move apart without ever touching? Why or why not?
What causes an electric current in a wire?
Why does a light go out when you turn off the wall switch?
Why does the light bulb in a circuit turn on when you close the switch?
A bar magnet is dipolar. This means is has ___ poles.
Answers
Answer: Its 100, divide by the 4 and get the 450 then minus 450 and add 50 and add another 50 its the 100 :)
Explanation:
Related Questions
What is an example of physiological adaptation?
(Give me a thanks and I will make you brainiest)
Answers
Answer:
An example of physiological adaptation is the development of a thicker fur coat in animals living in colder climates. This adaptation helps to insulate the animal and keep its body temperature regulated. Other examples of physiological adaptation include the ability of some animals to hibernate in winter, changes in the shape of feet and claws to allow better climbing, and changes in the shape of beaks to allow better feeding in different environments.
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- formation of calluses in response to repeated contact or pressure
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.
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Need help with Edge 2020 DNA mutation project pls hurry 100 points if right so pls help
Answers
I can help, just comment more information or add a photo.
edit: shoot I meant to comment not answer, I'm sorry about that.
Answer:
where is it what do u need help
Explanation:
i Cant help sorry
Translate the words into math symbols. The difference of nine and a number is three. What steps would you take to translate the statement? Check all that apply. Replace "difference" with a division sign. Replace "difference" with a subtraction sign. Replace "a number" with the variable n, to represent an unknown value. Replace "is" with an equals sign. The translated equation is 9 ÷ n = 3. The translated equation is 9 – n = 3.
Answers
Answer:
Here are the correct answers that you should check.
Replace "difference" with a subtraction sign.
Replace "a number" with the variable n, to represent an unknown value.
Replace "is" with an equals sign.
The translated equation is 9 – n = 3.
Explanation:
what are the steps of enzyme activity?
Answers
1. The enzyme and the substrate are in the same area. Some situations have more than one substrate molecule that the enzyme will change.
2. The enzyme grabs on to the substrate at a special area called the active site. The combination is called the enzyme/substrate complex. Enzymes are very, very specific and don't just grab on to any molecule. The active site is a specially shaped area of the enzyme that fits around the substrate. The active site is like the grasping claw of the robot on the assembly line. It can only pick up one or two parts.
3. A process called catalysis happens. Catalysis is when the substrate is changed. It could be broken down or combined with another molecule to make something new. It will break or build chemical bonds. When done, you will have the enzyme/products complex.
4. The enzyme releases the product. When the enzyme lets go, it returns to its original shape. It is then ready to work on another molecule of substrate.
Describe how the energy in gasoline changes form as it travels through a car engine. How does this compare to the way it changes form in an organism?
Answers
Answer:
Here the chemical energy in the gasoline is converted into heat (thermal energy), light, and sound and the burning produces gases. These heated gases inside the chamber expand, causing the piston to move. Thus, the thermal energy is converted to mechanical energy.
The internal combustion engine in the car converts the potential chemical energy in gasoline and oxygen into thermal energy which is transformed into the mechanical energy that accelerates the vehicle (increasing its kinetic energy) by causing pressure and performing the work on the pistons.
Explanation:
Answer:
Gasoline Vehicles Only about 12%–30% of the energy from the fuel you put in a conventional vehicle is used to move it down the road, depending on the drive cycle. The rest of the energy is lost to engine and driveline inefficiencies or used to power accessories.
1.) How does air move during sea breeze?
2.) From where does the wind blow during the land breeze?
3.) What time of the day does the sea breeze occur? (night time or day time)
4.) Which heats faster, land or sea?
5.) Compare the direction of air in sea breeze and land breeze.
Answers
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1.) As a result, warm air rises. Therefore, the warmer air over the land surface is rising. As the warm air over the land is rising, the cooler air over the ocean is flowing over the land surface to replace the rising warm air.
2.) a cool wind that blows from land to water. On clear, calm evenings, temperature differences between a body of water and neighboring land produce a cool wind that blows offshore. This wind is called a "land breeze".
3.) While sea breezes occur during the day, land breezes occur at night.
4.) Since land absorbs more solar radiation the land surface retains more heat as do the vegetation for energy. Thus, land surfaces warm more quickly than water.
5.) Sea breeze carries increased moisture, which it absorbs while blowing over a water body. A Land breeze is drier since it has no opportunity to absorb water from any source. Lastly, the sea breeze moves from the sea towards a land body. A Land breeze moves from land toward a water body, generally a sea or ocean.
Answer: 1.) During a sea breeze, the air moves from the sea towards the land. During the day, the land heats up faster than the sea. As a result, the air above the land becomes warmer, and it rises. The cooler air from the sea moves towards the land to replace the rising warm air, resulting in a sea breeze.
2.) During the land breeze, the wind blows from the land towards the sea. At night, the land cools faster than the sea. The air above the sea remains warmer and rises, and the cooler air from the land moves towards the sea, resulting in a land breeze.
3.) The sea breeze occurs during the daytime.
4.) Land heats up faster than water. This is because water has a higher specific heat capacity than land. Specific heat capacity refers to the amount of energy required to increase the temperature of a substance. Water requires more energy to heat up compared to land, which is why it heats up slower than land.
5.) During a sea breeze, the direction of air is from the sea towards the land. During a land breeze, the direction of air is from the land towards the sea.
Explanation:
Using the CER method, explain how embryo development is used as evidence to support evolution.
Answers
Answer:
Evidence for evolution has been obtained through fossil records, embryology, geography, and molecular biology.
Explanation:
50 POINTS!
Energy is transferred into the ecosystem when
1.when bacteria absorbs nitrogen from other organisms
2. dead organisms decay and form organic matter
3. rodent prey on invertebrates
4.plants grow from the soil
Answers
Answer:
2
Explanation:
Energy is transferred between organisms in food webs from producers to consumers.
The energy is used by organisms to carry out complex tasks. The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants.
Answer: between organisms in food webs from producers to consumers.
Explanation:
Lodgepole pine and quaking aspen share a large portion of their distribution ranges in the western US. In an area with both species, after a wildfire which would you expect to become the dominant species in the first 20 years after a fire? Why?
Answers
Answer:209
Explanation:becuae the need 20 bro bly
The Savannah (A) is a hybrid domestic cat breed. It is the result of selectively breeding domestic cats with African servals (B) in order to produce the signature color markings and large size.
Not all, but many of these Savannah cats are able to successfully reproduce with other domestic cats.
What could be a long-term effect of this type of artificial selection by humans?
Answers
Answer:
It could change the genetic makeup of the entire domestic cat species
Explanation:
What is an example of a haploid cell?
Answers
Answer:
Gametes :)
Male or Female Germ Cells
Answer:
Spores
Explanation:
the reproductive cells of fungi, algae, and plants
List 3 negative impacts does plastic pollution have on the ocean?
Answers
Ingestion
And suffocation
Answer:
Negative physical impact on marine life, chemical impact on the water, and transport of native species.
Explanation:
Negative physical impact on marine life:
Plastic can be dangerous to creatures living in the ocean. Marine animals can fatally swallow plastic, become entangled in it, and even become physically impaired for the rest of their life.
Chemical impact on the water:
Plastics carry chemicals such as PCBs and DDT that can invade the water and cause harm to marine ecosystems.
Transport of native species:
Plastic can carry organisms from one part of the ocean to a relatively remote area. By introducing new organisms to an ecosystem, the flow can be disrupted and result in major consequences.
PLEASE HELP ME OUT !!!!!! this is from study island btw
Answers
Answer:
the answer is D
Explanation:
soils can be basic, nuetral or acidic
Science about fossils
_____was the element that was discovered in large quantities of rock by the Alvarez' in conjunction with the extinction of the dinosaurs.
Answers
Answer:
Sulphur is the answer I think
Is asexual reproduction when the offspring is identical to one parent, an offspring that looks like a combination of both parents, or an offspring that looks like half of each parent?
Answers
Answer:
it's when the offspring is identical to one parent
Explanation:
asexual reproduction only requires one parent, therefore being identical to it.
Which of these diseases is not caused by improper disposal of sewage?
A. Cholera
B. Heart Attack
C. Jaundice
D. Typhoid
Answers
answer with explains and reasons please ( ill mark brainlist )
Mount Everest is the world's highest mountain. It is 29,028 feet (9km) above sea level. It is located in the Himalayas between Nepal and China. But now that we have sonar, we know about Mauna Kea. Mauna Kea is on Hawaii Island. It is 13,448 feet (4km) above sea level. From its base on the ocean floor, it is 33,796 feet (10km)! Should we still consider Mount Everest to be the highest mountain? Why or why not?
Answers
Answer:
I think Mount Everest should still be called the highest mountain
Explanation: Based on tradition, mountains are not measured from their bases but from sea level so considering this Mount Everest should still be called the highest mountain in the world. However despite this, some may say it should not be.
Pl z help giveing brianliest
Answers
Answer:
The first one
Explanation:
Most neutrinos particles are absorbed by tiny blood vessels in the stomach.
Nguyen uses a triple beam balance to measure the mass of each rock. Read the values on the balance for rocks X, Y, and Z.
Answers
Answer:
X = 120
Y= 710
Z= 620
Explanation:
The Density of Rocks Part A Nguyen uses a triple beam balance to measure the mass of each rock. Read the values on the balance for rocks X, Y, and Z. Rock Balance Reading of Rock Mass (g) X triple beam part of mass balance with top beam with pointer at 20, middle beam with pointer at 0, and lowest beam with pointer at 1 Y triple beam part of mass balance with top beam with pointer at 10, middle beam with pointer at 0, and lowest beam with pointer at 7 Z triple beam part of mass balance with top beam with pointer at 20, middle beam with pointer at 0, and lowest beam with pointer at 6
y = 710
z = 620
How are fossil fuels formed from geologic processes?
Fossil fuels are formed when mineral deposits are recrystallized due to high temperature and pressure over time.
Fossil fuels are formed when biomass is covered by sediment, and the biomass experiences high temperature and pressure over time.
Fossil fuels are formed when tectonic plates slide past one another, creating small
Fossil fuels are formed when tectonic plates collide together, forcing rock fragments deep underground.
Answers
Answer:
FOSSIL FUELS FORM. After millions of years underground, the compounds that make up plankton and plants turn into fossil fuels. Plankton decomposes into natural gas and oil, while plants become coal. Today, humans extract the
Explanation:
Star A has an apparent magnitude of –1.5 and is 12.6 light-years from Earth. Star B has an apparent magnitude of 0.4 and is 15.6 light-years from Earth.
Explain why apparent magnitude should not be used to determine which star is brighter. What information should be used instead
NEED HELP ASAP
Answers
Answer:
Absolute magnitude
Explanation:
The apparent magnitude of an object only tells us how bright an object appears from Earth. It does not tell us how bright the object is compared to other objects in the universe. For example, from Earth the planet Venus appears brighter than any star in the sky. However, Venus is really much less bright than stars; it is just very close to us.
Absolute magnitude should be used instead!
Answer:
Absolute magnitude
Explanation:
The apparent magnitude of an object only tells us how bright an object appears from Earth. It does not tell us how bright the object is compared to other objects in the universe. For example, from Earth the planet Venus appears brighter than any star in the sky. However, Venus is really much less bright than stars; it is just very close to us.
Which comes first adaptations or natural selection?
Answers
Answer:
natural selection
Explanation:
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EASY; 7TH GRADE SCIENCE, OFFERING BRAINLIEST! please help me fast: Look at the image below and place the corresponding places.
Subject: Nitrogen cycle
Answers
Answer: Free nitrogen comes from bacteria breaking down the nitrogen compounds which causes it to be released in the air. Fix nitrogen is from soil, plants and animals consuming it which causes it to recycle, nitrogen is cycled through: plants, soil, animals, bacteria and water and the atmosphere. I hope this helped!
Explanation:
Bacteria breaking down nitrogen compounds releases free nitrogen.Explanation:The nitrogen cycle is a process in which nitrogen is recycled through different components of the environment. Bacteria play an important role in this cycle by breaking down nitrogen compounds found in plants, animals, and soil. When bacteria break down these compounds, they release free nitrogen into the environment. This free nitrogen can then be used by other organisms like plants to create proteins and other essential molecules. So, bacteria breaking down nitrogen compounds is an important step in the nitrogen cycle.
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We know our sun is/has
Answers
Imagine that you are a grain of pollen on a flower that cross-pollinates
the flower of another plant of the same species. Write a journal
entry in complete sentences describing your journey. Correctly
include each of these terms in your entry: pollinator,
pollen, pistil, stamen, anther, stigma, ovary, and eggs
Answers
Answer:
As a grain of pollen on a flower, I am responsible for cross-pollinating the flower of another plant of the same species. I began my journey on the stamen of one flower, where I picked up the pollen from another. I was carried to the pistil of the next flower and deposited the pollen on the stigma. I then traveled down the style to the ovary, where I fertilized the eggs, commencing the production of the next generation of this flower.
Once I reach the stigma, I begin to germinate and grow a pollen tube that will guide me down to the ovary. Inside the ovary, I will fertilize the eggs, which will eventually develop into seeds. This process is known as cross-pollination, and it is an essential part of the plant's life cycle.
As I make my way down the pollen tube, I am filled with excitement and anticipation. I know that I am playing a critical role in the plant's reproduction, and I am proud to be a part of this process. Once I reach the ovary and fertilize the eggs, my journey will be complete, and I will have helped to ensure the continuation of the plant's species.
how do you spell the word "the"
Answers
Answer:
T H E
Explanation:
Answer:
The
Explanation:
T-H-E
Although male and female reproductive structures differ from one another in many ways, they carry out some of the same functions. Which of the following is a main function of both male and female reproductive systems?
Answers
Answer:
I think it's D.
Explanation:
Two models of the same compound are shown.
On the left labeled Model A 2 large overlapping black spheres with 3 small blue spheres overlapping the rear black sphere and 2 medium red spheres overlapping the front black sphere. One of the red spheres has a small blue sphere overlapping it. On the right labeled Model B 2 C's connected by a black line. The C on the left has 3 H's attached by 1 black line each and the C on the right has 2 Os attached to it. The top O is attached by 2 black lines and the bottom O by 1 black line. The bottom O also has an H attached to it by 1 black line.
In what way is Model A better than Model B?
Model A shows the types of elements in the compound, but Model B does not.
Model A shows the total number of atoms in the molecule, but Model B does not.
Model A shows the three-dimensional shape of the molecule, but Model B does not.
Model A shows the number of atoms of each element in the molecule, but Model B does not
Answers
Answer: pretty sure it’s C
Explanation: model a (3D model) it shows how the atoms connect. Model b doesn’t. Hope this helped
Answer:
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
Explanation:
Jane observes that a shark detects its prey without actually touching it. Based on her observation, which conclusion is correct?
a The shark is unable to apply any force.
b The shark applies a contact force on the prey.
c The shark is unable to apply force at a distance.
d The shark applies a non-contact force on the prey.
Answers
Answer:
D. The shark applies a non-contact force on the prey.
Reasoning:
Sharks can hear and smell from a far distance. Making it easier to find their prey without touching it.
Unlike humans who have 5 senses, sharks actually have 7. So they could be using any of there senses other than touch to detect there prey. (The senses they could be using are sight, smell, hearing, taste, electroreception, and/or there lateral line.)