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11 Cards in this Set
- Front
- Back
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aquaculture
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fish farm
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irrigation
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the process of supplying water to land to grow crops
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lock
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a section of waterways closed off by gates in wich the water is raised or lowered in order to move ships through
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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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concentration
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amount of substance that is in another substance
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sewage system
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a system that collects and treats waste water from a city or town
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point source pollution
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pollution that enters water from a known source
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non-point source pollution
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pollution whose source is hard to find or spread out
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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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steps of cleaning water
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1. Water is piped to plant
2. Clumping agents are added 3. waters goes through a clarifying pool 4. water goes through layers of coal sand and gravel 5. Chlorine is added to kill bacteria 6. stored in tanks untill needed |
