Question

Wow i reached 40K+ points..
so??
frEéPoINTS for All!
:D

Answer 1

The air, generally unpolluted, contained 280 parts per million of carbon dioxide prior to the Industrial Revolution. After man decided to pump up an extreme amount of carbon dioxide into the air, we currently have 380 parts per million of carbon dioxide in the air

Explanation:

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Answer 2

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