The answer is B. skin
Living organisms, especially Birds, mammals, and reptile store a lot of fat under our skin. We due it to protect our body from the different change of temperature that happen in our environment.
It's basically why bodybuilders avoid the skin when they ate meat, it stored a huge amount of fat
Answer:
B
Explanation:
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B. ATP synthase. The purpose of the hydrogen gradient is to take advantage of molecules' tendency to move from areas of higher concentration to areas of lower concentration. ATP synthase lets hydrogen ions flow through it to the matrix, and the energy from this flow is used by ATP synthase to synthesize ATP.
Answer:
yes density is mass unit of volume
Answer:
water (osmosis), oxygen and carbon dioxide can pass through
Explanation: