Question

Question 2 of 10 of the day!
Most of the nitrogen gas in Earth's atmosphere comes from _____.
A. fires
B. erosion
C. bacteria
D. the breakdown of carbon dioxide

Answer 1

Most of the nitrogen gas in Earth's atmosphere comes from _____.


D. the breakdown of carbon dioxide

Answer 2

The majority of nitrogen in Earth's atmosphere comes from B. erosion.

I did my research.