The single most abundant chemical substance of the body, accounting for 60 to 80% of body weight, is ________.

The single most abundant chemical substance of the body, accounting for 60 to 80% of body weight, is ________.

The single most abundant chemical substance of the body, accounting for 60 to 80% of body weight, is ________. 









A) oxygen
B) protein
C) water
D) hydrogen













Answer: C