WAEC - Biology (2000 - No. 9)
Which of the following statements is incorrect about diffusion?
It involves degradation of soluble particles in solvents
it occurs mainly in gaseous and liquid media
No membrane is needed to effect the movement of molecules
Molecules move from region of lower concentration to that of higher concentration.
Explanation
Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.
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