Pollution

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   acid      dioxide      fossil      pesticides      slurry      water   
Pollution is the adding of harmful waste into the environment.
There are three types of pollution: air, soil and pollution.
Air pollution is mainly caused by the burning of fuels which releases carbon and sulfur dioxide in the air which dissolve in rain to form rain.
Soil pollution is caused by , fertilizers and acid rain.
Water pollution is mainly caused by the run-off of fertilizers from farmland, sewage, and litter.