Answer:
b to a
Explanation:
since cells in membranes move from high to low concentration (diffusion). b has more molecules, so it will go into a.
{{-Hello Pumpkin-}}
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I think it is the following;
Reproduction
Multicellular or Unicellular
Autotroph or Heterotroph
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I am so sorry if this is not correct.
The first choice is correct