Question

What is the composition of air?​

Answer 1

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.

Answer 2

Question:

What is the composition of air?

Answer:

• Air is a mixture of nitrogen, oxygen, carbon dioxide, water vapors, and some other gases. It also contains dust particles.

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.