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Diffusion is defined as: question 5 options:
a.the net movement of similar molecules from an area of higher concentration to an area of lower concentration
b.the net movement molecules that is independent of any concentration gradient.
c.the net movement of similar molecules from an area of higher concentration to an area of even higher concentration
d.the net movement of dissimilar particles from an area of higher concentration to an area of even higher concentration

Respuesta :

Diffusion is the movement of molecules or ions from a region of higher to lower concentration; it requires no energy and tends to lead to an equal distribution (equilibrium)

so I would say the answer is : a
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