Question

Air is primary made of ____ and ____​

Answer 1

Answer:

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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Answer 2

Answer:

78% nitrogen and 21% oxygen 0.5%carbondioxide and 1% other gases

Explanation:

air is primary made of 78%nitrogen and 21% oxygen