UNIT 11 POLUTION

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UNIT 11 POLUTION


    1. AIR POLLUTION
air pollution occur when harmful substances or pollutant are released to the air. Causes of air pollution are :
  • burning of fuels, rubbish, and forests.
  • Dust and dirt in the air
  • smoke and cigarettes

the effect of air pollution are:
  • health problem
  • haze
  • acid rain

    1. WATER POLLUTION
water pollution occur when harmful substances or pollutant are released to the water. Causes of water pollution are :
  • harmful chemical from factories and farms
  • rubbish
  • human waste
  • oil spills

the effect of water pollution are:
  • harms organism in water
  • harms people

    1. SOIL POLUTION
soil pollution occur when harmful substances or pollutant are released to the soil. Causes of air pollution are :
  • rubbish
  • harmful chemical from farms

the effect of soil pollution are:
  • air pollution
  • water polution
  • deterioration of soil condition
  • growth of germs and pest.


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