ICSE Class 7 Geography Question 3 of 13

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Question

Question 3(b)

Name the major greenhouse gases and their sources.

Answer

The major greenhouse gases and their sources are:

S.
No.
GasSources
1.Carbon dioxideRespiration, combustion of fossil fuels, exhausts of automobiles.
2.MethaneNatural wetlands, rice fields, livestock, natural gas production, biomass burning, termites, landfills, coal mining.
3.Nitrous OxideReleased by oceans and soil, biomass burning, nitrogenous fertilizers, exhausts of automobiles
4.CFCs (Chlorofluorocarbons)Coolants in AC and Refrigerators, aerosol sprays.