A water molecule (H2O) will have a slightly positive side, and a slightly negative side. The oxygen side of water is the one that is negative, while hydrogen side tends to be more positive. When a molecule has a half negative and half positive side like water does, it is called a polar molecule. :D
Answer:
B
Explanation:
Because it is your circulation
Answer: Environmental Protection Agency
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to be honest I don't really know the answer but i would go with D because of cell respiration makes sense to me
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