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'Ozone layer' absorbing ultraviolet radiation exists in which of the atmospheric layer? 
  • a)
    Mesosphere
  • b)
    Troposphere
  • c)
    Stratosphere
  • d)
    More than one of the above
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Ozone layer absorbing ultraviolet radiation exists in which of the atm...
Ozone layer
  • The ozone layer is a natural layer of gas in the upper atmosphere that protects humans and other living things from harmful ultraviolet (UV) radiation from the sun.
  • The ozone layer exists in the stratosphere, a layer 10 to 50 km above the Earth’s surface.
  • The international community established the Montreal Protocol on ozone-depleting substances in 1987, to address the destruction of the ozone layer.
  • The stratospheric ozone layer absorbs ultraviolet (UV) radiation, preventing dangerous UV rays from hitting the Earth's surface and harming living organisms.
  • It contains a high concentration of ozone (O3) in relation to other parts of the atmosphere.
  • The ozone layer in the stratosphere is affected by the increase in the atmospheric concentration of CFC (chlorofluorocarbons).
  • In the atmosphere, CFCs drift slowly upward to the stratosphere, where they are broken up by ultraviolet radiation, releasing chlorine atoms, which can destroy ozone molecules.
  • CFCs are the main reason for the Ozone hole.
  • The other reasons for ozone depletion are a wide range of industrial and consumer applications, mainly refrigerators, air conditioners (hydrochlorofluorocarbons (HCFCs), and fire extinguishers.
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Ozone layer absorbing ultraviolet radiation exists in which of the atmospheric layer?a)Mesosphereb)Tropospherec)Stratosphered)More than one of the aboveCorrect answer is option 'C'. Can you explain this answer?
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