Wednesday, May 24, 2017

Writing assignment

Writing assignment

  • Acid rain
         Acid rain is a rain that is unusually acidic.It has a pH value of 4.0.It is formed when pollutions called oxides of sulfur and nitrogen, contained in power station smoke, factory smoke, and car exhaust, react with the moisture in the atmosphere.It kills insects and fishes as well as causes damage to buildings and having impacts on human health.
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  • Oil spill
          An oil spill is the outflow of petroleum or oil onto the surface of the water.It is a form of pollution by human activity.The oil may come from tankers and offshore platforms.The oil can blind the animals when it gets into their eyes or death if they get the oil into their bodies which causing their bodies temperature to be really low.
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  • Water pollution
          Water pollution is when wastes and chemicals pollute the water to become unsafe to the animals that need water to survive.It occurs through many causes such as volcanoes, animal wastes, garbages from people and chemicals from factories.

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