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Diffusion and Osmosis Quiz


1. Choose the best definition of diffusion:

A. The movement of molecules from an area of high concentration to an area of low concentration.
B. The movement of molecules from an area of low concentration to an area of high concentration.
C. The movement of water molecules from an area of high concentration to an area of low concentration.
D. The movement of water molecules from an area of high concentration to an area of low concentration.