Question

The atmosphre contains which gas for human beings​

Answer 1

Explanation:

Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity. It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace amounts of other gases, and water vapor. This mixture of gases is commonly known as air.

Answer 2

Answer:

1 nitrogen ( 78%)

2 oxygen (21%)

3 other gases such as carbon dioxide (1%)

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