A) Carbon dioxide in the atmosphere
B) Infra-red radiation
C) Moisture in the atmosphere
D) Ozone layer
Correct Answer: A
Solution :
The greenhouse effect refers to the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface. It is mainly caused by the greenhouse gases such as Carbon Dioxide, Methane, water vapor etc. This effect is causing global warming on earth.
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