Question : 'Greenhouse effect' means
Option 1: Cultivation of crops in a greenhouse to conserve heat
Option 2: Trapping of solar energy due to carbon dioxide gases
Option 3: Trapping of solar energy by the Earth's upper surface
Option 4: Increase of heat due to atmospheric pollution
Correct Answer: Trapping of solar energy due to carbon dioxide gases
Solution : The answer is the Trapping of solar energy due to carbon dioxide gases .
The "greenhouse effect" is the phenomenon of warming the Earth. Earth's atmosphere is transparent to incoming short-wave solar radiation and opaque to long-wave terrestrial radiation. These terrestrial radiations are trapped by greenhouse gases, which lead to an increase in the temperature of the Earth. Carbon dioxide, methane, nitrous oxide, sulphur hexafluoride, hydrofluorocarbons, perfluorocarbons, etc. are various greenhouse gases.
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