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6 terms

Freshwater Pollution

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water pollution
addtion of any substance that has a negative effect on water or living things that depend on water
pollutant
the substances that cause water pollution
point source
a specific source of pollution that can be identified
nonpoint source
a widely spread source of pollution that can't be tied to a specific point of origin
pesticide
chemicals intended to kill insects and oother organisms that damage crops
acid rain
rain or other form of precipitation that is more acidic than normal