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12 Cards in this Set
- Front
- Back
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drought
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A Long Period of abnormally low rainfall
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nonpoint source pollution
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pollution whose source is hard to find or scattered
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lock
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a section 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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aquaculture
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the science and business of raising and harvesting of fish in a controlled situation
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concentration
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the amount of a substance that is in another substance
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dam
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a structure that holds back and controls the flow of water in a river
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sewage system
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collects and treats huge amounts of wastewater from a city or 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 business
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point source pollution
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pollution that enters water from a known source
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irrigation
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the process of supplying water to grow crops
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groundwater
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water held in layers beneath earth's surface
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