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5 votes
Which gas contributes most to the greenhouse effect?

A-oxygen

B-nitrogen

C-water vapor

D-carbon dioxide

2 Answers

7 votes
Water vapor contributes most to the natural greenhouse effect. Carbon Dioxide (CO2) contributes most to the accelerated greenhouse effect which is causing global warming.
answered
User Fervid
by
7.7k points
5 votes
The answer is D) Carbon dioxide.
Hope this helps
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User Esharp
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