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Answer:

The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another.

Explanation:

hope that helps :)

Answer: it keep oxygen rich blood flowing to the brain and other vital organs if the heart or lungs stop working on their own. The medical term for this is “loss of automatic function.”

Explanation: If the person is unconscious or out of breath you're going to have to give the person CPR because it's the air that helps the heart keep beating so if there is no air for the patient

Answer:

Sometimes the patient can't breathe on their own and you have to help

Explanation:

I'm not sure I understand the question but I hope that helps

Answer: It’s A for edgu 2021 topic test:)

Explanation:

Answer:

Purine, Pyrimidine

Explanation:

DNA bases consist of two subgroups,

Purines: Adenine and Guanine

And Pyrimidines: Cytosine and Thymine

In genetic material, Adenine bases are always paired with Thymine bases, and Guanine bases are always paired with Cytosine bases. This is why a Purine base will always be paried with a Pyrimidine base.

Fun tip: If you have a hard time remebering which bases are which, a trick I personally use is that Alanine and Guanine are purines, and their code letters (AG) are the symbol for the element silver, which is a type of pure alloy. So AG --> Silver --> Pure --> Purine

If that helps :)

Answer:

A single glucose molecule produces about 38 molecules of ATP through the process of cellular respiration.

Explanation:

Cellular respiration is a metabolic pathway that breaks down glucose and produces ATP.

I hope this helps. :)

Answer:

The earths interior is super hot and compressed, it is made of iron and nickle

The rocks down there are really fine and compressed while rocks on the surface are sedimentary, have air pockets, and are not as fine as rocks in the core.

Explanation:

Answer: The inner layers are very hot and full of molten magma. The main elements present there are iron, sulphur and nickel.

Explanation: The Earth comprises of four layers, out of which three of the layers are full of magma (liquid rock), and the fourth being the crust.

These defenses are described as nonspecific because they do not target any specific pathogen; rather, they defend against a wide range of potential pathogens.

The innate immune system provides this kind of nonspecific protection through a number of defense mechanisms, which include physical barriers such as the skin, chemical barriers such as antimicrobial proteins that harm or destroy invaders, and cells that attack foreign cells and body cells harbouring infectious agents.

Thus,  they do not target any specific pathogen; rather, they defend against a wide range of potential pathogens.

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Astrocytes are the multi-function glial cells that participate in phagocytosis, provide lactate for cells, and structurally support neurons in the brain.

Glial cells may be defined as the neurons of the central nervous system which are supplied by several varieties of non-excitable cells.

Astrocytes serve as phagocytes by taking up degenerating synaptic axon terminals following the death of the neurons due to diseases. They represent the process of replacement gliosis.

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Stage 1  which is the high fluctuating stage has both high birth rates and high death rates.

This is a condition which is characterized by lack of food as a result of some factors such as war, natural disaster etc.

In the stage 1, the population growth is slow and fluctuating as a result of high incidences of disease and famine.

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Answer:

C and D

Explanation:

The nucleus (the dark blob in the center of the cell) is clearly visible in every cell in the diagram, which means that this is a eukaryotic cell undergoing mitosis.  F is, therefore, not a correct answer.  The product of mitosis is two genetically identical daughter cells.

Binary fission occurs prokaryotic cells, and does not apply in this case, so A is not a correct answer.

Cells do not undergo $exual reproduction, so B is not a correct answer.

While eukaryotic cells generally do have ribosomes, it is possible to infer that the cells contain ribosomes.  However, the ribosomes are not visible in the diagram, so E is not a correct answer.

What can make the shoots of seedlings on the window sill bend toward the window would be the production of hormones in response to light stimulus.

It is the movement of organisms in response to light. It can be of two types:

Plants are generally positively phototropic. The light stimulus stimulates the production of a hormone whose activities cause the plant to bend towards the light source.

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Answer:

C. Stage 3 because this stage means (death rates are low and birth rates decrease)

Answer:They are now genetically identical to the cell with which they conjugated. 

Explanation:

They have received proteins that allow them to produce a hormone.

Answer:

i feel as if the answer would be C or D

Explanation:

Because the first two isnt really that abd but dams ruin the water and people want that to themselves if that makes sense

A major reason that many people are against damming up rivers for human use is because dams affect the aquatic organisms and surrounding ecosystem. T Option C. his is further explained below.

A Dam built to hold back and elevate the level of water, producing a reservoir used to produce energy or as a water source.

In conclusion, Many individuals are opposed to damming rivers for human use because dams harm aquatic species and the surrounding ecology.

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Answer:

D

Explanation:

are the final evolutionary stage of low to intermediate mass stars and are found in the bottom left of the HR diagram

Answer: A. Supergiants and C. Main sequence stars

Explanation:

Water helped to shape the new American colonies in the 18th-century by providing drinking water, fertile soil to grow crops and a way to transport goods.

New American colonies were benefited by the water bodies due they could use this water for drinking and transport.

Water was also a powerful source to create watermills, which helped with different tasks.

In conclusion, water helped to shape the new American colonies in the 18th-century by providing drinking water, fertile soil to grow crops and a way to transport goods.

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Answer:

Voluntary actions involve conscious thought and thinking time. Reflex actions do not involve conscious thought (thinking time) and happen very quickly to avoid unnecessary damage to the body.

Explanation:

Explanation:

Voluntary action are under control of ones will, whereas reflex action are spontaneous involuntary, nerve-mediated activity produced at the unconscious level by stimulating specific receptors.

Answer:

the energy for most food webs come from the sun

Explanation:

Answer:

A.

Explanation:

because magazine articles are usually biased and since it's about lifestyle & entertainment, it is not relevant for accurate information.

Answer:

Tertiary Consumers.

Explanation:

Answer:

Fossils in older strata are more primitive than fossils in more recent strata.

The two reasons for the proximate causation for the species-specific preference of this fly include:

This is described as the interaction between two dissimilar organisms which in this case is between the orchid and fly.

The color of the orchid is bright which attracts the fly to it thereby resulting in pollination. This is because they come in contact with the anther which contains the pollen grains.

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