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living organisms require at least 27 elements, of which 15 are metals. among these, those required in major quantities, include
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Q.
Living organisms require at least 27 elements, of which 15 are metals. Among these, those required in major quantities, include
[A] sodium, magnesium, copper and manganese
[B] potassium, sodium, magnesium and calcium
[C] potassium, molybdenum, copper and calcium
[D] potassium, manganese, copper and calcium
Answer & Explanation
Option: [B]
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