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Consider the following minerals:
1. Calcium
2. Iron
3. Sodium
Which of the minerals given above is / are
required by human body for the contraction of
muscles?

1)1 only

2)2 and 3 only

3)1 and 3 only

4)1 and 3 only


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    1 and 3 only

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  • Exam: CSAT IAS 2013





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