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 “Damage to the ozone layer is a cause for concern.” Justify this statement. Suggest any two steps to limit this damage.  

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Ozone layer prevents the harmful ultraviolet radiation to enter the atmosphere and reach the earth’s surface. Depletion of ozone layer has become a cause for concern because it can cause serious effects on human body and other organisms of the environment like fatal diseases such as skin cancer, changes in genetic material DNA, eye damage, etc. Two steps to limit this damage are as follows:

  • Judicious use of aerosol spray propellants such as fluorocarbon and chlorofluorocarbons which cause depletion or hole in ozone layer.
  • Control over large scale nuclear explosions and limited use of supersonic planes.

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