Ques. About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and
A. sulphur and magnesium
B. magnesium and sodium
C. calcium and phosphorus
D. phosphorus and sulphur.
Answer:D
Ques. About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and
A. sulphur and magnesium B. magnesium and sodium C. calcium and phosphorus D. phosphorus and sulphur.