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Diffusion is the net movement of a substance (e.g., an atom, ion or molecule) from a region of high concentration to a region of low concentration.
Added 5/15/2014 7:04:58 AM
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Cultural diffusion is the spread of cultural beliefs and social activities from one group to another.
Added 5/15/2014 7:05:46 AM
This answer has been confirmed as correct and helpful.