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What is greenhouse effect ? Explain....

What is greenhouse effect ? Explain.

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The earth.s surface solar radiations and gets heated up. Then like any other hot body, it starts emitting radiations. The radiations emitted by earth is mainly infrared radiations. These radiations are unable to cross the lower atmoshpere, which reflects them back. Low lying clouds also prevent IR radiation from passing through and thus serve to keep the earth.s surface warm at night. This phenomenon is called .Greenhouse Effect..
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