ESS
Grade-9
Easy

Question

___________is not a greenhouse gas.

  1. Carbon monoxide
  2. Methane
  3. Nitrous oxide
  4. CFC’s

hintHint:

CO is not a greenhouse gas.

The correct answer is: Carbon monoxide


    This is because carbon monoxide is formed of only two molecules and therefore the range of wavelength it can absorb and scatter is less compared to a three molecule compound that has the ability to collect the wide range of wavelength of infrared radiation that tries to escape Earth's surface but cannot since carbon dioxide also scatters it widely across the atmosphere

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