What are the components of the air we breathe?

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

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

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

Explanation:

every el niño cycle is different. every year.