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Environmental science Study Guide-Chapter 11

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Surface water
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is water on the surface of the planet such as in a stream, river, lake, wetland, or ocean.
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River system
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A flowing network of rivers and streams draining a river basin.
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Watershed
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Water that contains wastes from homes or industry.
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Groundwater
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The water that is beneath the Earths surface.
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Aquifer
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A body of rock that can be used to grow crops.
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Permeability
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The ability of a rock or sediment to let fluids pass through its open spaces or pores.
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Recharge Zone
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An area in which water travels downward to become part of an aquifer.
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Potable
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Suitable for drinking
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Pathogen
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A virus, microorganism, or other substance that causes disease; an infectious agent.
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Reservoir
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An artificial body of water that usually forms behind a dam.
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Dam
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A structure that is built across a river to control a river’s flow.
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Desalination
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A process of removing salt from ocean water.
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Water pollution
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the introduction into water of waste matter or chemicals that are harmful to organisms living in the water or to those that drink or are exposed to the water.
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Point source pollution
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pollution that comes from a specific site.
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waste water
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Water that contains wastes from homes or industry
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Artificial eutriphication
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A process that increases the amount of nutrients in a body of water through human activity’s.
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Thermal pollution
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A temperature increase in a body of water that is caused by human activity and that has a harmful effect on water quality.
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Biomagnification
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The accumulation of pollutants at successive levels of the food chain.