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3 votes
What causes diffusion?

2 Answers

6 votes
It occurs due to the random motion of particles, such as atoms or molecules, in a fluid or gas
answered
User Rokas Lengvenis
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6 votes
Diffusion is caused by the constant random motion of particles. Diffusion occurs down a concentration gradient as areas on opposite sides of a cell membrane have higher or lower amounts of concentration of a substance
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User Pylearner
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