Pollution is that the introduction of harmful materials into the surroundings. These harmful materials are referred to as pollutants. Pollutants are often natural, like volcanic ash. They'll even be created by human action, like trash or runoff created by factories. Pollutants harm the standard of air, water, and land.   Many things that are helpful to folks manufacture pollution. Cars spew pollutants from their exhaust pipes. Burning coal to make electricity pollutes the air. Industries and houses generate garbage and waste product which will spoil the land and water. Pesticides chemical poisons won’t to kill weeds and insects seep into waterways and damage life.

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