Read the statements and select the correct option
Statement-A: Greenhouse effect is a naturally occurring phenomenon that is responsible for the heating of the Earth’s surface and atmosphere.
Statement-B: Greenhouse gases in the atmosphere absorb long wave radiation from the Earth and emit it again towards the earth.

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Both Statement-A and Statement-B are true

Statement-A is true, Statement-B is false

Both Statement-A and Statement-B are false

Statement-A is false, Statement-B is true

answer is A.

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Detailed Solution

Both statements are true. The incoming solar radiation heats the Earth’s surface and a small proportion of it is reflected back. Earth’s surface re-emits heat in the form of infrared radiation. Greenhouse gases (e.g. $C O_{2}$ and $C H_{4}$ ) absorb a major fraction of it. The molecules of these gases radiate heat energy, and a major part of it again comes to the Earth’s surface.

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