Which is the most abundant metal in the human body?

(A)  Zinc

(B)  Iron

(C)  Magnesium

(D)  Calcium

(✓)  Calcium

Calcium is the most abundant metal in the human body. It is also the 5th most abundant metal in the earth’s crust.

International Youth Day is observed on which day?

(A)  12 July

(B)  12 August

(C)  12 September

(D)  11 September

(✓)  12 August

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