Question

What is green house effect??
pls define right and in 4 lines....

Answer 1

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.
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Answer 2

when sun's ray falls on earth then some of its get reflected and other is trapped by green house gas Like co2 etc. to keep earth warm is called green house effect.
Hope it helps.....
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