Question

How have the gases in the air helped life on Earth​

Answer 1

It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace amounts of othergases, and water vapor. This mixture of gases is commonly known as air.The atmosphere protects life on Earthby absorbing ultraviolet solar radiation and reducing temperature extremes between day and night.

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Answer 2

Answer:

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. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation and reducing temperature extremes between day and night.

Explanation:

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