Question

Which element makes up the greatest proportion of the human body by the number of atoms? The predominant element is ___________.

A. Oxygen
B. Carbon
C. Hydrogen
D. Nitrogen

Answer 1

Oxygen is the element that makes up the greatest proportion of the human body by the number of atoms.

Step-by-step explanation:

The element that makes up the greatest proportion of the human body by the number of atoms is Oxygen (symbol: O). Oxygen is a major element found in large quantities in the human body, making up about 65% of the total number of atoms.