Answers

2016-04-04T19:30:53+05:30
Diffusion is the movement of particles in different kind of medium or same medium like diffusion or solids in to solids or solids into liquids or even liquids into gases. The diffusion process only can happen when the particles of matter move always.

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2016-04-05T14:13:18+05:30
The spreading of something more widely.
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