Question

What is the level of nitrogen in the atmosphere of the Earth?​

Answer 1

Explanation:

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

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.