The verified answer is wrong i just took the test it's A
Oxygen is a small molecule and it's nonpolar, so it easily passes through a cell membrane. Carbon dioxide, the byproduct of cell respiration, is small enough to readily diffuse out of a cell. Small uncharged lipid molecules can pass through the lipid innards of the membrane.
<h2>IM 100% SURE.</h2>
Its location C) Because it rains the most there.
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I believe it is the crust
