1.

Living organisms require at least

A. Potassium, maganese, molybdenum and calcium
B. Potassium, molybdenum, copper and calcium
C. Potassium, sodium, magnesium and calcium
D. Sodium, magnesium, copper and magnanees
Answer» D. Sodium, magnesium, copper and magnanees


Discussion

No Comment Found

Related MCQs