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A b c d ? please help me :)
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4 votes
A b c d ? please help me :)

A b c d ? please help me :)-example-1
User Nate Jenson
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2 Answers

1 vote
A would be the correct answer
User Jussi Kukkonen
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8.4k points
5 votes

Answer:

a

Step-by-step explanation:

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

User Gigo
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7.6k points
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