Answer:
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.
Explanation:
<span>https://www.ptable.com/
b. Boron and Carbon
and here's a periodic table to help you
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Throwing garbage on the ground, not putting out a camp fire, lighting something that creates smoke...
It will likely undergo stretching
