Question

Nitrogen makes up how much of earth’s atmosphere
A. 100%
B. 78%
C. 22%
D. 0%

Answer 1

78 percent

It's a mixture of different gases. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.

Answer 2

Answer: The answer is B Nitrogen makes up 78% of the world's

Atmosphere