Q. Carbon dioxide, methane, nitrogen oxide and chlorofluorocarbons are called green house gases because they can absorb

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Solution:

Carbon dioxide, methane, nitrogen oxide and CFCs are called greenhouse gases because these gases absorb long wave infrared radiation, which is released by the earth. So, the re-radiation of infrared radiation is affected and prevent the escaping of heat to outer space. Therefore are functionally comparable to glass panel of a greenhouse and are known as greenhouse gases and effect is called as greenhouse effect.