Question

select all the statements that apply to diffusion. it requires energy to move molecules. it doesn’t take energy to move molecules in and out. molecules move from high to low concentration. molecules move from low to high concentration

Explanation:

Diffusion is a passive process. It is the movement of molecules from an area of high concentration to an area of low - concentration and does not require energy input.

Answer:

It doesn't take energy to move molecules in and out.
Molecules move from high to low concentration.