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A barrier that allows some substances in while keeping other substances out is said to be a. subpermeable b. selectively permeable c. superpermeable d. impermeable
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2 votes
A barrier that allows some substances in while keeping other

substances out is said to be
a. subpermeable
b. selectively permeable
c. superpermeable
d. impermeable

User Webgenius
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1 Answer

4 votes
C cause it let certain type particles to move threw
User Jbiral
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