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Which mineral is responsible for making muscles contract or relax? A. Boron B. Magnesium C. Sodium D. Calcium

It's not Magnesium.

2 Answers

3 votes
The answer is D I hoped I helped
User Richarddmorey
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7.8k points
4 votes
D.
I believe the answer is calcium
User Nina
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9.0k points

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