science

passive transport involves movement of substances......
A) from areas of lower concentration areas of higher concentrations.

B)from areas of higher concentrations to areas of lower concentration

C) from areas which the concentration has reached a balance

D) from areas of differing concentrations with the use of cellular energy

asked by KK
  1. http://en.wikipedia.org/wiki/Passive_transport

    posted by DrBob222
  2. b

    posted by KK

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