Living organisms require at least 27 elements of which 15 are metals. – McqOptions

MCQOPTIONS

1.	Living organisms require at least 27 elements of which 15 are metals. Among these,those required in major quantities include
A.	potassium, manganese,molybdenum and calcium
B.	potassium,molybdenum,copper and calcium
C.	potassium,sodium,magnesium and calcium
D.	sodium,magnesium,copper and manganese
Answer» D. sodium,magnesium,copper and manganese

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