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11 Cards in this Set
- Front
- Back
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drought
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period of little or no rainfall
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nonpoint source pollution
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pollution that is from an unknown source
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point source pollution
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pollution that is from a known source
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dam
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a structure that holds back and controls the flow of the water in a river
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lock
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a sectoin of waterway, closed off by gates, in which ships are raised or lowered by raising or lowering the water level of that section
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aguaculture
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the science and business of raising and harvesting of fish in a controled situation
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concentration
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amount of a substance in another substance
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sewage system
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collects and treats huge amounts of wastewater from a city or a town
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desalination
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the process of removing salt from ocean water
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septic system
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a small wastewater system used by a home or a business
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irrgation
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the process of supplying water to grow crops
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