Green House effect is caused by

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Green House effect is caused by

A. Increase in CO₂

B. Increase in O₂

C. Decrease in O₂

D. Decrease in CO₂

Answer: Option A

Solution (By Examveda Team)

Greenhouse effect, a warming of Earth's surface and troposphere (the lowest layer of the atmosphere) caused by the presence of water vapour, carbon dioxide, methane, and certain other gases in the air. Of those gases, known as greenhouse gases, water vapour has the largest effect.

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