emilycano emilycano
  • 09-10-2017
  • Biology
contestada

which of the following must be true for diffusion to occur

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TherealplugOG231
TherealplugOG231 TherealplugOG231
  • 09-10-2017
There must be areas of different concentration
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twistedhyperboles
twistedhyperboles twistedhyperboles
  • 20-02-2019

A concentration gradient must exist.  hope this helps

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