Exams › SSC CGL (Prelims) › General

The approximate percentage of nitrogen in Earth’s atmosphere is:

1. 58%
2. 68%
3. 78%
4. 88%

Correct answer: 78%

Solution

Earth’s atmosphere is composed mainly of nitrogen and oxygen. Nitrogen makes up about 78% of the atmosphere, while oxygen is about 21%. Therefore, 78% is correct.

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