Chapter 5 - Water Vocabulary

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Environmental Science - Holt, Rinhart and Winston, 2000

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W

water pollution

the introduction of chemical, physcial, or biological agents into water that degrades the quality of water and affects the organisms in it

watershed

the entire area that is drained by a river; the Mississippi watershed extends from the eastern edge of the Rocky mountains to the western edge of the Appilation mountains - excluding the Great Lakes region