Greenhouse effect is caused by___ . Options: A . &nbspIncrease in CO2 B . &nbspIncrease in O2 C . &nbspDecrease in O2 D . &nbspDecrease in CO2

Greenhouse effect is caused by__

Question

Greenhouse effect is caused by___ .

Options:

A . Increase in CO2

B . Increase in O2

C . Decrease in O2

D . Decrease in CO2

Answer: Option A
:
A
Greenhouse effect is caused by increase in CO2.

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