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Arisa [49]
3 years ago
11

HELP!!!!!!!

Biology
2 answers:
Lady_Fox [76]3 years ago
4 0
A? I not sure or c maybe
Leona [35]3 years ago
3 0

Answer:

A cell needs to take up K+ ions, the concentration of Na+ outside the cell is 100 ppm, and inside the cell it is 75 ppm.

Explanation:

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