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11 Cards in this Set
- Front
- Back
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irrigation
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supplying water to land to grow crops.
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Aquaculture
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the science and business of raising and harvesting fish in a controlled situation.
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dam
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a structure that holds back and controls the flow of water in a river or other body of water
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lock
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a section of waterway closed off by gates in which the water level is raised or lowered to move ships through.
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concentration
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the amount of a substance that is in another substance
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sewage system
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a system that collects and treats wastewater from a city or town
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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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nonpoint-source pollution
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pollution whose source is hard to find or is scattered
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drought
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a long period of abnormally low rainfall
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desalination
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the process of removing salt from ocean water
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