Answer :

TODAY IN INDIA POLLUTION INCREASED DAY BY DAY.IT'S OF MANY TYPES SUCH AS AIR POLLUTION ,WATER POLLUTION &  NOISE POLLUTION.
AIR POLLUTION--- IT IS CAUSED DUE TO POLLUTING THE AIR BY GASES AN ASHES.     it is harmful for all of us. if strict action does not taken to promote it then one day come when no one get proper oxygen to breething.in india it cause by cars ,motercycles and other vehicles.
                                                        for example in india it mainly  cause by dtc buses because  these govt. buses does not use good fuel for it and pollute environment continuously. to improve it govt. had also need to take better action it.

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Air pollution can be defined as impureness of the air. Air pollution is all around us.Air pollution is a common problem in our country. Air pollution comes from dangerous chemical substances which spread in the air.This dilemma is harmful to every single living creature on this planet.  It might not be as clearly visible in some areas as others but the fact is that air pollution is still affecting us in some way, shape, or form. It has been known to cause illness and death. Many people are not aware of this.Basically, the industrialization of society, the introduction of motorized vehicles, and the explosion of the population are factors contributing toward the growing air pollution problem.
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