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Earths Waters Ch 2

Vocabulary from Ch. 2: Freshwater Resources

QuestionAnswer
irrigation the process of supplying water to land to grow crops.
aquaculture the science and business of raising and harvesting fish in a controlled situation.
dam a structure that holds back and controls the flow of water in a river or other body of water.
lock a section of waterway, closed off by gates, in which the water level is raised or lowered to move ships through.
concentration the amount of a substance that is in another substance.
sewage system a system that collects and treats wastewater from a city or town.
septic system a small wastewater system used by a home or a business.
point-source sollution pollution that enters water from a known source.
nonpoint-source pollution pollution whose source is hard to find or is scattered.
drought a long period of abnormally low rainfall.
desalination the process of removing salt from ocean water.
Created by: misskazantzis
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