Unit 5 Vocab (part 2)

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Surface Water
All the bodies of water found above the ground.
Watershed
The area of land that is drained by a water system
Groundwater
The water that is beneath the Earth's surface.
Aquifer
A body of rock or sediment that stores ground water.
Recharge Zone
An area in which water travels downward to become part of an aquifer.
Reservoir
An artificial body of water that usually forms behind a dam.
Desalination
A process of removing salt from ocean water.
Point-Source Pollution
Pollution that comes from a specific site.
Wastewater
Water that contains wastes from homes or industry.
Biomagnification
The accumulation of pollutants at successive levels of the food chain.
Smog
Urban air pollution composed of a mixture of smoke, fog, and pollutants.
Acid Precipitation
Precipitation that contains a high concentration of acids, because of the pollution in the atmosphere.
pH
A value used to express the acidity or alkalinity of a system. 7 neutral, below 7 acidic, above 7 basic.
Famine
Widespread malnutrition and starvation in an area due to a shortage of food, usually caused by a big event.
Malnutrition
A disorder of nutrition that results when a person does not consume enough of the nutrients that are needed.
Compost
A mixture of decomposing organic matter, such as manure & rotting plants, used as fertilizer.
Genetic Engineering
A technology in which the DNA sequences of a cell are modified for medical or industrial use.
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