24-11-2012, 03:31 PM
Various kinds of pollutions.
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Different kinds of pollutions
This presentation is all about the kinds of pollutions present in the environment.
First kind of pollution I am going to tell about is Air Pollution. It is about the harmful gases present in the atmosphere due to human works like CO2,NO2,etc. which harm the environment and to humans by acid rains,ozone layer depletions,etc.
The second is about Water pollution which is caused by dissolved harmful gases,industriual waste,algae formation,pesticides,etc.