Question

what is meant by diffusion​

Answer 1

Answer:

Diffusion is a process where molecules of a material move from an area of high concentration (where there are many molecules) to an area of low concentration (where there are fewer molecules) until it has reached equilibrium (molecules evenly spread).

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Answer 2

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Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. Diffusion happens in liquids and gases because their particles move randomly from place to place. Diffusion is an important process for living things; it is how substances move in and out of cells.