Question

what is mean by diffusion?
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Answer 1

Diffusion is a physical 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). Diffusion usually happens in a solution in gas or in a liquid. ... Diffusion can only work with gases and liquids.

Answer 2

Answer:

In biology

Diffusion is spontaneous movement of substance from a region of high concentration to region where its concentration is low

In chemistry

diffusion is intermixing of two or more particle on their own.