What is the gas that makes up most of the air that we breathe?
A) Carbon dioxide
B) Ozone
C) Nitrogen
D) Oxygen
E) Argon

Name: What is the gas that makes up most of the air that we breathe? A) Carbon dioxide B) Ozone C) Nitrogen D) Oxygen E) Argon
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Question

Quizplus · Accepted Answer

Nitrogen makes up approximately 78% of the air we breathe, while oxygen only makes up about 21%. Carbon dioxide, ozone, and argon make up a very small percentage of the air.

What Is the Gas That Makes Up Most of the Air