Question

Elements that are found more abundant in human body than in earth’s crust are

• A. C, H, O, N, S
• B. Na, Si, Ca, Mg
• C. S, Na, Ca, N
• D. Si, H, Mg, O

Answer 1

Answer: (A)

Elements that are found more abundant in human body than in earth’s crust are C, H, O, N, S.