ymxe4k3gfm ymxe4k3gfm

14-05-2021
Biology

contestada

What percent (%) of the atmosphere is made up of nitrogen?

A. 87%
B. 78%
C. 22%
D. 13%

Respuesta :

prashant12345 prashant12345

16-05-2021

Answer:

B

Explanation:

The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.

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