Which of the following are required in minimum amount by human? – McqOptions

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1.	Which of the following are required in minimum amount by human? [DUMET]
A.	Iron, iodine, carbon, manganese, copper, oxygen
B.	Iron, iodine, manganese, copper, zinc, fluorine
C.	Iron, iodine, manganese, zinc, hydrogen
D.	Nitrogen, oxygen, zinc, fluorine
Answer» D. Nitrogen, oxygen, zinc, fluorine

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