Which of the following is a Greenhouse gas?

  1.  Oxygen
  2. Nitrogen
  3. Carbon di oxide
  4. Hydrogen
Monis Rasool Professor Asked on 29th May 2015 in Chemistry.
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    Option 3 is the right answer.
    A greenhouse gas  is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect. The primary greenhouse gases in the Earth’s atmosphere are water vapor, carbon dioxide, methane, nitrous oxide, and ozone. Greenhouse gases greatly affect the temperature of the Earth .

    Carbon dioxide is a greenhouse gas, nearly transparent to light from the sun but absorbing and emitting infrared radiation This process causes carbon dioxide to warm the surface and lower atmosphere and cool the upper atmosphere. Not only do increasing carbon dioxide concentrations lead to increases in global surface temperature, but increasing global temperatures also cause increasing concentrations of carbon dioxide.

    RE: Which of the following is a Greenhouse gas?

    Harsh Vardhan Professor Answered on 29th May 2015.
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