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Multiple Choice
Which of the following statements about diffusion is true?
A
It’s a process where water moves across a semi-permeable membrane to a region of high solute concentration.
B
It requires an expenditure of energy by the cell.
C
It’s a process where molecules move from a region of lower concentration to a region of higher concentration.
D
It’s a process where molecules move from a region of higher concentration to a region of lower concentration.
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