The major portion of the dry weight of plants comprises of
A. carbon, hydrogen and oxygen
B. zinc, copper and iron
C. calcium, potassium and magnesium
D. nitrogen, sulphur and phosphorus
Answer:A
The major portion of the dry weight of plants comprises of
A. carbon, hydrogen and oxygen B. zinc, copper and iron C. calcium, potassium and magnesium D. nitrogen, sulphur and phosphorus