Google News
logo
Science and Technology - General Knowledge Questions
The elemental composition of an adult human body by mass is
A)
N > C > O > H
B)
O >C >H > O
C)
C > O > H > N
D)
None of the above

Correct Answer :   O >C >H > O

O= 65%
C= 18%
H= 9.5%
N= 3.2%
Ca= 1.5%
Ph=1.2%

Published On : June 11, 2021
Advertisement