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Apr. 28, 2009

With Regard to Air Pollution and Water Pollut

What do you know about air pollution and water pollution ?

Question:
The atmospheric pollution is air pollution ?
Apr. 29, 2009
- Answer:
  No, ther are different from each other. Atmospheric pollution is the mixture composed of a certain percentage of nitrogen, oxygen, carbon dioxide, water vapor and other solid impurities.While,
  air pollution, refers to one or more pollutants existing in the air.The quantity, the nature and duration of these pollutants will harm human, plant and animal life and cause damage to properties and make the comfortable living environment disturbed, such as the smell.
  
  Apr. 29, 2009

Question:
Where is the main source of air pollution ?
Apr. 29, 2009
- Answer:
  The main sources of air pollution are: coal, petroleum, nuclear energy, petrol, electricity, steam, etc.
  Apr. 29, 2009

Question:
What harm and risk will the air and water pollution cause to us and the world ?
Apr. 29, 2009
- Answer:
  Risk of water pollution on the human body:
  when one or more essential elements in water decreased or popputed, it will affect human health.
  Hazards of atmospheric pollution on objects: atmospheric pollutants can cause erosion on various instruments, equipments and buildings, such as metal rusting and severe weathering of buildings.
  Apr. 29, 2009

Question:
How is the water pollution formed ?
Apr. 29, 2009
- Answer:
  I think that water pollution is mainly formed by wastewater which discharged from iron and steel factories.
  Apr. 29, 2009

Question:
What is air pollution?
Apr. 29, 2009
- Answer:
  Atmosphere is he mixture composed of certain proportion of nitrogen , oxygen , carbon dioxide , water vapor and some solid impurities.
  Atmospheic pollution: If concentration of pollutants or their secondary pollutants in atmosphere reaches harmful degree, it can cause many harms. We call this phenomenon as atmospheric pollution .
  
  Apr. 29, 2009