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What is Diffusion? ?? |
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Answer» Diffusion is the movement of molecules( either solids, liquids, or gases) from a region of higher concentration to a region of lower concentration. The movement of gases (like carbon dioxide and oxygen) from a region of high concentration to a region of low concentration through a semi permeable membrane is known as diffusion. Thus, diffusion plays an important role in gaseous exchange between the cells as well as the cell and its external environment. Diffusion is the net movement of molecules from a region of higher concentration to a region of lower concentration . |
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