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Posted by on Monday, August 29, 2011 at 5:09pm.

Why is it when someone is cooking something, like a cookies or pizza, you can smell it all the way upstairs? like does it have to do with diffusion or something? I'm confused...Thanks in advance :)

  • Biology - , Tuesday, August 30, 2011 at 9:43pm

    Diffusion, yes.

    Diffusion describes the spread of particles through random motion from regions of higher concentration to regions of lower concentration.

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