By mass, what is the total percentage of carbon present in the human body?
A. 9.5 %
B. 18.5 %
C. 3.3 %
D. 65 %
Answer:B
By mass, what is the total percentage of carbon present in the human body?
A. 9.5 % B. 18.5 % C. 3.3 % D. 65 %