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poizon [28]
3 years ago
6

THIS MAY NOT BE BIOLOGY!!!

Biology
1 answer:
Anon25 [30]3 years ago
4 0

The answer that is not caused by a gravitational pull is two atoms come together to form a molecule because atoms form molecules because of the electrons, and not gravitational pull.

Therefore the correct answer would be,

Two atoms come together to form a molecule.

I hope that this has satisfied you.

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Converts energy from food into energy a cell can use
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Answer:

through a process called cellular respiration

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For protection and support.<br> Invertebrates may have an<br> Vertebrates have a backbone and an
nadezda [96]

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Skeleton

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Vertebrates have bones

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Explain why mutations that happen during mitosis are not passed on to children
kondor19780726 [428]

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It is quiet simple the only way the offspring of two organism could be effected by any sort of mutation is if the mutation accrued during meiosis.

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What force keeps the notebook from floating in the air?
Minchanka [31]

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gravity

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Explain the respiratory system of a frog and the importance of "vacularization" of the skin and the mesentery
fredd [130]

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A frog may also breathe much like a human, by taking air in through their nostrils and down into their lungs. The mechanism of taking air into the lungs is however sligthly different than in humans. Frogs do not have ribs nor a diaphragm, which in humans helps serve in expand the chest and thereby decreasing the pressure in the lungs allowing outside air to flow in.

In order to draw air into its mouth the frog lowers the floor of its mouth, which causes the throat to expand. Then the nostrils open allowing air to enter the enlarged mouth. The nostrils then close and the air in the mouth is forced into the lungs by contraction of the floor of the mouth. To elimate the carbon dioxide in the lungs the floor of the mouth moves down, drawing the air out of the lungs and into the mouth. Finally the nostrils are opened and the floor of the mouth moved up pushing the air out of the nostrils.

Frogs also have a respiratory surface on the lining of their mouth on which gas exchange takes place readily. While at rest, this process is their predominate form of breathing, only fills the lungs occasionally. This is because the lungs, which only adults have, are poorly developed.


6 0
3 years ago
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