In the air we breathe,which gas is found in the highest concentration?
A) Oxygen
B) Water vapor
C) Nitrogen
D) Carbon dioxide
E) Hydrogen

Question

Quizplus · Accepted Answer

Nitrogen makes up approximately 78% of the air we breathe, which is the highest concentration among the given options. Oxygen, which is vital for respiration, only makes up approximately 21% of the air. Water vapor, carbon dioxide, and hydrogen are present in much lower concentrations.

In the Air We Breathe,which Gas Is Found in the Highest