Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Answer:
1-3 2-7 4-5 6-8
Explanation:
this is proven because boy friend is a
Answer:
male/ female not breathing
Explanation:
Answer:
True
Explanation:
because it provides information for all. As skin care products provide information on skin.
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