asked 8.1k views
5 votes
Which substance is a greenhouse gas that is emitted by human activities, is the most widespread, and remains in the air the longest? water vapor methane fluorinated gas carbon dioxide

asked
User Dlf
by
7.5k points

2 Answers

2 votes
I believe the answer is Carbon dioxide, please correct me if I am wrong!

Thank you.

-PiggyPig
answered
User Tomasz Ferfecki
by
7.4k points
2 votes
The answer is carbon dioxide. Carbon dioxide (CO2) covers approximately 75% of the heating effect of current greenhouse gas emissions. This is basically produced by burning coal and oil, and deforestation is also a very important contributor.
answered
User KarateJB
by
8.0k points
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