science

What does selectively permeable mean????

A. selectively permeable means not letting anything in or out.

B. selectively permeable means letting everything in and out.

C. selectively permeable means only letting things in but never letting anything out.

D. selectively permeable means letting only some thing in and some things out

  1. Oh come on, make a guess :)

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    posted by Damon
  2. you are selecting, which means choosing some and not others to let through

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    posted by Damon
  3. no
    B. selectively permeable means letting everything in and out.

  4. http://www.thefreedictionary.com/Selectively+permeable

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    posted by Damon
  5. oh so D

  6. Yes

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    posted by Damon
  7. so is it d or b

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    posted by katie
  8. D is the answer btw

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    posted by JaYJay
  9. what r the answers

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  10. all the answers
    pls

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