How water gets polluted
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because Many substances that are hazardous to human health can enter water supplies. Chemical waste from factories is sometimes dumped into rivers and lakes, or directly into the ground. Pesticides (chemicals that kill insects) applied to farmland enter surface water and groundwater, often in large quantities. Leaks from underground storage tanks for liquids like gasoline go directly into groundwater.
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Water gets polluted when we human beings throw garbage in water , these water is drunk by animals and birds but when they drink this polluted water they get die . water is polluted by industrial wastes also the waste of industries get mixed with water , so it make the water polluted ..
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