Pollution is when something is added to the environment harmful or poisonous to all living things. Smoke or dust in the air is a type of pollution . Sewage in drinking water is another type of pollution, containing germs and viruses. There are 3 kinds of pollution: water pollution, land pollution, and air pollution.

Pollution is the introduction of contaminants into the natural environment that cause adverse change.Pollution can take the form of chemical substances or energy, such as noise, heat or light. The type of pollution are LAND POLLUTION, WATER POLLUTION, AIR POLLUTION. We throw the garbage or plastic here or there.  Then the animals like cows,crows and many more eat the garbage or plastic which is very harmful and soon be die. We throw the garbage even in the water which is harmful. In the factory they lead the smoke in the air which is harmful because we take oxygen from the air.Image result for pollution

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Air pollution is a major cause of life-threatening diseases such as , heart disease, lung cancer and chronic and acute respiratory.
Pollution is a special case of habitat destruction; it is chemical destruction rather than the more obvious physical destruction. Pollution occurs in all habitats—land, sea, and fresh water—and in the atmosphere. Global warming, which is discussed separately below ( see Global change), is one consequence.
Pollution refers to the mixing of contaminants or pollutants (either foreign substances or naturally occurring contaminants) into the natural resources.
Air pollution occur when harmful or excessive quantities of substances including gases, particulates, and biological molecules are introduced into Earth’s atmosphere.

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