what is the net movement of substances to regions of lower concentration called?
In the process of diffusion, net movement of substances is always from a region a. outside the cell to a region inside the cell. b. inside the cell to a region outside the cell. c. of lower concentration to a region of higher... show more Hi, I believe the answer is D, please tell me what you think? In the process of diffusion, net movement of substances is always from a region. a. outside the cell to a region inside the cell. b. inside the cell to a region outside the cell. c. of lower concentration to a region of higher concentration. d. of higher concentration to a region of lower concentration. e. None of these choices is correct.