Which are examples of extrusive igneous rocks? Check all that apply. (You may use your igneous rock identification chart.)
Group of answer choices:
Diorite
Pegmatite
Peridotite
Scoria
Gabbro
Granite
Answer:
its Scoria I think
Explanation:
Which of these increases the level of carbon dioxide in the atmosphere?
A. Driving a car
B. Traveling by plane
C. Cutting down trees
D. All of these
since
Which animal is a vertebrate?
shrimp
octopus
crab
fish
Fish!
A vertebrate is a creature that has a spine, an invertebrate is a creature without a spine. If you look up fish you will see they have spines! May God bless you!
4 pts
The United States banned chlorofluorocarbons in aerosol cans. These actions became a
global movement and let to an international agreement on the ban. Which environmental
concern were governments directly addressing by eliminating the use of
chlorofluorocarbons in aerosol cans?
Tim
Atte
40
Dependency of fossil fuels.
Melting of icecaps.
Salinity levels in the ocean.
Levels of stratospheric ozone.
Previous
Next >
Answer:
Impact as greenhouse gases
CFCs were phased out via the Montreal Protocol due to their part in ozone depletion. However, the atmospheric impacts of CFCs are not limited to their role as ozone-depleting chemicals.
Explanation:
i did not mean to make this
Answer:
wait how could you make something that you didnt mean to make, lol anyways I hope you have an amazing day, and be careful of this virus
Explanation:
can outside factors affect how we grow?
Answer:
Yes, all outside factors can affect the way we grow and excel in life.
Examples of factors:
1) Influences by others or the internet
2) news
3) actions of others
4) society and community
I hope this helped :)
Which cell organelle is responsible for regulating biochemical activies?
a.
the mitochondria
b.
the cytoplasm
c.
the cell membrane
d.
the nucleus
Answer:
d. the Mitochondria
I hope it's helps you
To the nearest tenth (0.1), what was the % change in volume of your egg in the
0% sugar solution?
810.538666666666
Given that the volume of an egg in a 0% sugar solution is 810.538666666666. We are to find the % change in the volume of the egg to the nearest tenth (0.1).
First, we will determine the final volume of the egg when it is placed in the sugar solution.
Let's assume that the % change in volume is x. We know that the % change in volume is given by:
x = (Final volume - Initial volume) / Initial volume * 100
Substituting the given values, we get:
\(x = (V - 810.538666666666) / 810.538666666666 * 100.\)
Therefore, to the nearest tenth, the % change in the volume of the egg in the 0% sugar solution is given by:
\(x = (V - 810.538666666666) / 810.538666666666 * 100x = (V / 810.538666666666 - 1) * 100.\)
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How a Skeletal Muscle Contraction Begins?
A skeletal muscle contraction begins with an electrical signal from the motor neuron that causes the release of neurotransmitter molecules from the motor neuron's synaptic terminal.
What is skeletal muscle?
Skeletal muscle is a type of voluntary muscle tissue that is attached to the bones in the human body. It is responsible for the movement of the body and is made up of bundles of long, thin fibers that contract and relax in order to produce movement. Skeletal muscles are composed of numerous individual muscle fibers that are packed together and surrounded by connective tissue. The neurotransmitter molecules bind to receptors on the muscle fiber and cause a change in the muscle fiber's membrane potential. This change in membrane potential is known as an action potential and it propagates along the muscle fiber's membrane, causing the release of calcium from the sarcoplasmic reticulum. The calcium binds to the thin filaments and triggers the cross-bridge cycle of muscle contraction.
The cross-bridge cycle involves the binding of myosin and actin, followed by the release of ATP and the power stroke, which results in movement and tension.
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which of these pairs of organisms are most closely related?
A) aix sponsa and anas acuta
B) anas discors and anas americana
C) martes americana and mycteria americana
D) anas cyanoptera and mycteria americana
Answer:
B anas discors and anas americana
Explanation:
They are the most related out of the options since they are from the same genus.
What are the 4 characteristics that separate mammals from other vertebrates?
1. Hair
2. Milk
3. Sweat
4. Bilateral Symmetry
5. Segmentation
6. Fat
Answer:
1, 2, 3, 5
Explanation:
What is the difference between a population and a community?
A population is made up of all species in an area. A community is made up only of one species
A population is made up of only one species. A community is made up of all species in an area.
A population is made up of all the species and nonliving things in an area. A community is made up of all species in an area.
The words mean the same thing.
Answer:
I think the answer is A population is made up of only one species. A community is made up of all species in an area.(the second one)
Explanation:
Population is a group of organisms of
one species living in the same area at
the same time.
Community is all of the population of
different species in an area.
Answer:
The answer Is 2
Explanation:
A population is made up of only one species. A community is made up of all species in an area.
In carnations, the alleles for flower color exhibit incomplete dominance. Red
flowers have the RR genotype. Pink flowers have the RW genotype. White
flowers have the WW genotype.
If a red flower and a pink flower are crossed, what is the expected genotypic
ratio of their offspring?
A. 2 RR:2 RW:0 WW
B. 1 RR: 3 RW:0 WW
C. O RR:2 RW: 2 WW
D. 1 RR:2 RW: 1 WW
Folate deficiency impairs DNA synthesis, so the nuclei of immature red blood cells are unable to divide and the cells grow larger than normal. This condition is called ______ anemi
Folate deficiency impairs DNA synthesis, so the nuclei of immature red blood cells are unable to divide and the cells grow larger than normal. This condition is called macrocytic anemia.
What is folate deficiency anemia?The red blood cells in folate-deficiency anemia are excessively big. Macrocytes are this type of cell. When they are discovered in the bone marrow, they are also known as megaloblasts. This anemia is also known as megaloblastic anemia for this reason.When your body doesn't get enough folate, it develops a folate deficiency. Symptoms include fatigue, weakness, mouth sores, and neurological issues. A diet rich in folate-rich foods can help prevent folate insufficiency.Haemoglobin, a component of red blood cells, is used to transport oxygen throughout the body.Learn more about cell here:
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the distinguishing feature of a cervical vertebra is the
Answer:
Typical cervical vertebrae have several features distinct from those typical of thoracic or lumbar vertebrae. The most notable distinction is the presence of one foramen, in each transverse process. These transverse foramina encircle the vertebral arteries and veins.
Explanation:
The distinguishing feature of a cervical vertebra is the transverse foramen. The cervical vertebrae are the first seven vertebrae in the spine, and they are located in the neck.
The transverse foramen is a hole in each cervical vertebra that allows the vertebral arteries and veins to pass through. The vertebral arteries supply blood to the brain, and the vertebral veins drain blood from the brain.
The transverse foramen is not present in any other type of vertebra. This is one of the ways that cervical vertebrae can be distinguished from other types of vertebrae.
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1) What would happen to the amount of carbon dioxide in a closed terrarium if most of the plants were
removed?
2) What would happen to the amount of carbon dioxide in a closed terrarium if the number of grasshoppers doubled?
3) What would happen to the amount of oxygen in an aquarium if more fish were added?
The statement. "Sounds that last from 1 to 3 seconds will be considered a
single chirp," is an example of
1) a controlled experiment
2) an operational definition
3) a manipulated variable
4) a responding variable
Answer:
an operational definition
Explanation:
Answer:
operational definition
Explanation:
An operational definition is a statement that describes how to measure a particular variable or define a particular term. For example, in this experiment you would need to determine what sounds will count as a single “chirp.”
Directions: Match the vocabulary terms below to their definitions.
Biology
The correct match of the ecology terms with their definitions is as follows:
Abiotic factors: ERenewable resources: NHeterotrophs: IDecomposers: CBiotic factors: HScavenger: APopulation: DOmnivore: FLimiting factor: LEcosystem: BHerbivores: KInvasive species: MCarnivore: GAutotroph: JWhat is ecology?Ecology is the branch of biology dealing with the relationships of organisms with their environment and with each other.
Some ecological terms were given in this question and are described as follows:
Abiotic factors are nonliving, inanimate, characterised by the absence of life; of inorganic matter.
Renewable resources are natural resources that is replenished by natural processes at a rate comparable to its rate of consumption by humans or other users.
Heterotrophs are organisms which requires an external supply of energy in the form of food as it cannot synthesize its own.
Decomposers are organisms that feed off decomposing organic material, especially such a bacterium or fungus.
Biotic factors are those pertaining to, or produced by life or living organisms.
Scavengers are animals that feeds on decaying matter such as carrion.
Population is a collection of organisms of same species, sharing a particular characteristic of interest, most often that of living in a given area.
Omnivore is an animal which is able to consume both plants (like a herbivore) and meat (like a carnivore).
Limiting factor is a condition that limits the growth or abundance of a population of organisms in an ecosystem.
Ecosystem is the interconnectedness of organisms (plants, animals, microbes) with each other and their environment.
Herbivores are organism that feeds chiefly on plants; an animal that feeds on herbage or vegetation as the main part of its diet.
Invasive species are species that has been introduced to an environment where it is not native, and that has since become a nuisance through rapid spread and increase in numbers, often to the detriment of native species.
Carnivore is an organism that feeds chiefly on animals; an animal that feeds on meat as the main part of its diet.
Autotroph is any organism that can synthesize its food from inorganic substances, using heat or light as a source of energy.
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During an investigation, Steven filled two cups with the same amount of water and placed them in a 20 degrees Celsius room for 30 minutes. Cup 1 was filled with 5 degrees Celsius water. Cup 2 was filled with 35 degrees Celsius water. The diagram below shows the temperature of the cups at the beginning of the investigation.
Answer:
the question is not complete
does the word “once” help show a cause-and-effect relationship?
scientist has been tracking and studying a population of deer in Yellowstone National Park. He surveys the
population every six months. Usually, the population is thriving and has a gene pool with a wide variety of traits. But
during one six-month period, an event occurred that affected the population, and when the scientist returned, the
amount of genetic variation had decreased significantly. Which of the following is most likely the event that occurred
to change the population?
O Yellowstone National Park expanded its borders.
A population
of wolves was introduced into Yellowstone National Park.
• The amount of disease in the deer population decreased.
• More grass and shrubs were planted in Yellowstone National Park.
Answer:
A population of wolves was introduced into Yellowstone National Park.
Explanation:
Got it right on edge
Explain why the world population is growing, even as the growth rate is decreasing.
First of all, you must understand that the average life span of a person is from 70 yrs. throughout the world. See (Picture 1). Life expectancy is measured by the average of each individual who have lived inside a nation or area. It then takes into account how long they live. Was there a ongoing war affecting that area? Was there pestilence, famine, or any natural disasters? These are some examples that would affect the population of a certain demographic, and can lead to people living longer or shorter, which in turn can fluctuate the total amount in the world population. In the case of a longevity of the race of humanity, there are many things to look at.
Firstly, the ever expanding usage of the ground to furbish the energy needed for the sustainability of life. One of the many necessities that a person must meet is having access to a stable source of food, as well as water. The first part comes in the form of gathering, or finding edible food while staying away from those that are harmful. This typically came in a trial-and-error format, and gave those who survived a broader knowledge of what can be eaten, and what cannot be. The second part is the advancement of tools such as spears using flint rock, or forging of sharp wooden staves that can be used to hunt game or fish. Furbishing of meat into the diet led to people generally having more muscle strength, as well as as well as retaining muscle mass, building stronger bones and absorbing iron much more better, which is essential in blood production. Whenever there is a large and stable source of food, as well as later having a globalization trading effort, the world population would grow. Stability almost always lead to higher population growth.
Secondly, the practition of medicine and advancement in the medical field. Medicine plays an important role in not only stabilizing the homeostasis of the body, but also to prescribe a positive role in preparing the human body to develop anti-bodies to counter any new diseases (to the individual) by giving doses of weakened traits. The usage of medicine and other ways in keeping a person healthy (such as sewage systems to drain away wastes full of germs), and the advancement of medicine to negate new diseases have allowed people to survive any incidents and live longer.
Thirdly, the stability of the world (as in wars). Having smaller wars, or little to no war can affect the stability of an economic, political, and social climate of a country. The more balanced and secure it is, the more a group is willing to have children in most cases. However, that is not too say that this means that the growth rate is increasing. Stability also brings, as studies would typically show, a typical mindset for people to make more money in their early adulthood in which case to save for the future. This means putting aside finding a family, or even having kids. Marrying later typically means that the usual ages of childbearing and rearing are on it's waning stages or have already passed, in which it means that the growth is slacking. However, remember the point that I brought up that people are living longer now. This means that the world population is expanding, but not because of new population, but because of the longevity of the old. (See Graph 2).
Finally, you must understand that growth rate as a whole is not as low as expected. The growth rate can be different from country to country. Countries that typically lean towards 2nd or 3rd world countries typically still have a larger growth rate. These generally account for the large amount of world population, even though as a general rule the growth rate is decreasing in most developed countries. Take a look at the graphs shown below (picture 3 & 4). The 3rd one shows the GDP as comparable to each individual countries, which in turn typically means if the country falls under which world category.
In the end, the World Population is made up of many different individual countries, in which each experience it's own growths or set backs in population sizes. One must also take into account the movement of people through countries (typically from developing to developed) in sustaining of other places. Also, one must take into account that not only stability, but also necessity would influence a persons decision to have children, which in turn would affect the growth rate. Advancement in providing the basic necessities and health services to a person would raise the longevity, which means that while not only the population is increasing, but that the population is leaning more towards the older side then younger. Finally, the world population has a peak in limit, and that once the limit is hit, the growth rate and roof would cave the population and lower it down, typically through diseases, famine, or other natural disasters.
Short definition of mitochondrion
Answer:
(MY-toh-KON-dree-uh) Small structures in a cell that are found in the cytoplasm (fluid that surrounds the cell nucleus). Mitochondria make most of the energy for the cell and have their own genetic material that is different from the genetic material found in the nucleus.
lipids in the form of triglycerides, phospholipids, steroids, and waxes are all important for life to occur. select all those processes that relate to lipid functions.
All of these processes are connected to lipids functions, including hormone generation, energy storage, cell creation, and water loss prevention, thus the correct options are A, B, D, and E.
Because water is a polar molecule, these organic compounds are nonpolar molecules that can only dissolve in nonpolar solvents. These molecules can be created by the liver in the human body and are found in foods like oil, butter, whole milk, cheese, fried foods, as well as some red meats.
Fats and oils are included in the class of organic substances known as lipids. These molecules produce a large amount of energy and are involved in numerous bodily processes. Here is a summary of some of the most crucial lipid properties.
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The complete question is:
Lipids in the form of triglycerides, phospholipids, steroids, and waxes are all important for life to occur. Select all those processes that relate to lipid functions.
A) Hormone production
B) Energy storage
C) Lipid form
D) Cell formation
E) Prevention of water loss
Abox contains 11 transistors, 4 of which are defective. If 4 are selected at random, find the probability of the statements below a. All are defective b. None are defective
To find the probability that all four selected transistors are defective. The probability of all transistors being defective is 1/330, and the probability of none being defective is 7/66. We can use the formula for combinations:
Probability = (number of ways to choose defective transistors) / (total number of ways to choose transistors)
In this case, there are 4 defective transistors out of 11 total transistors. We need to choose all 4 defective ones.
Probability (all are defective) = (C(4,4)) / (C(11,4))
= 1 / 330
= 1/330
b. To find the probability that none of the selected transistors are defective, we can use the same formula:
Probability = (number of ways to choose non-defective transistors) / (total number of ways to choose transistors)
There are 7 non-defective transistors out of 11 total transistors. We need to choose all 4 non-defective ones.
Probability (none are defective) = (C(7,4)) / (C(11,4))
= 35 / 330
= 7/66
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The category of organisms in a water ecosystem that includes the larger,
active swimmers is called _____.
Answer:
The category of organisms in a water ecosystem that includes the larger,
active swimmers is called Nekton
what is meant my urbanization and industrialization? How they degrade the environment
An enzyme that catalyzes the cutting and resealing of DNA, and is translated from insertion sequences, is A) RNA polymerase. B) DNA ligase. C) DNA helicase. D) transposase. E) DNA polymerase.
Answer:
D,Transposases
Explanation:
Transposases are enzymes that catalyze the movement of genetic material from one location in the genome to another. They do this by cutting the DNA at a specific location and then resealing it at a different location, effectively moving the genetic material from one place to another. Transposases are often encoded by transposable elements or "jumping genes" that can move within a genome and cause genetic mutations or changes. The process of transposition can lead to genetic diversity and can also play a role in the evolution of organisms.
Why is earth interior layered??
Answer:
The inner core is solid, the outer core is liquid, and the mantle is solid/plastic. This is due to the relative melting points of the different layers (nickel–iron core, silicate crust and mantle) and the increase in temperature and pressure as depth increases.
Explanation:
plllllllls help ill give brainliest
Answer:
1 is the non living thing 2 is the living thing 3 is a state of balance and 4 is the a community