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ENGLISH
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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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Question
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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