explain 3 ways by which water can be polluted
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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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1) Bacteria and Parasites From Sewage
2) Industrial Waste
3) Fertilizer and Lawn Chemicals
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