POLLUTION

POLLUTION

1. Are harmful substances that contaminates the enviroment

2. air pollution

   • caused by the fumes of factories
   • cars and domestic fuels
   • gases such as carbone monoxide
   • effects
     • breathing problems
     • Hole in the Ozono layer
     • smog
     • acid rain

3. water pollution

   • Undesirable substances that reduces the quality of water
   • caused by
     • waste of factories
     • people who throw garbage to the rivers
   • effects
     • diseases or sickness
     • Aquatic life is destroyed

4. Land pollution

   • degradation or destruction of earth's surface and soil
   • caused by
     • mining
     • industrial waste
     • household garbage

5. Noise pollution

   • unwanted sound
   • caused deafness and stress

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