Question

7.What is the percentage of nitrogen in the atmosphere. (A) 68 (B) 87 (C) 78 (D) 98.​

Answer 1

Answer:

78 percent

Explanation:

Earth's atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases.

Answer 2

Answer:

Option (c) 78

Explanation:

The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.

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