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Black_prince [1.1K]
3 years ago
8

A b c d ? please help me :)

Biology
2 answers:
nataly862011 [7]3 years ago
6 0

Answer:

a

Explanation:

its a semi permeable membrane. it chooses what can go in and out so nothing bad happens.

Ainat [17]3 years ago
6 0
A would be the correct answer
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