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24 Cards in this Set
- Front
- Back
Shift |
To change the place, position, or direction of |
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Alter |
to change partly |
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Tributary |
a smaller river or stream that feeds into a larger river |
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Headwaters |
the source of a stream or river |
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divide |
a high point or ridge that determines the direction rivers flow |
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fall line |
the natural boundary between an upland and a lowland, as a piedmont and a coastal plain: |
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hurricane |
a large, powerful windstorm that forms over warm ocean waters |
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fossil fuels |
a resource formed in the earth By plant and animal remains |
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conflict |
a competition or struggle |
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Underground railroad |
a network of safe houses in the United States that helps thousands of enslaved people escape to freedom |
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dry farming |
a farming method used in dry regions in which crops are grown that rely only on the natural precipitation |
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Manufacturing belt |
a concentrated region of manufacturing industries in the northeastern and midwestern United States |
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immigrate |
to change residence from a country to begin living permanently in another country |
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sunbelt |
a mild climate region in the southern and southwestern portions of the United States |
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megalopolis |
a large population concentration made up of several large and many smaller cities, such as the area between Boston and Washington, D.C |
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Jazz |
musical form that developed in the United States in the early 1900s, blending African rhythms and European harmonies |
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Postindustrial |
economy that emphasizes services and technology rather than industry and manufacturing |
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foreclosure |
When a homeowner can't afford to pay her mortgage |
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clear-cutting |
the removal of all trees in a stand of timber |
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Acid rain |
precipitation carrying large amounts of dissolved acids, which kills wildlife and damages buildings, forests, and crops |
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smog |
haze caused by the interaction of ultraviolet solar radiation with chemical fumes from automobile exhausts and other pollution sources |
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contribute |
to give or add to |
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eutrophication |
process by which a body of water becomes too rich in dissolved nutrients, leading to plant growth that depletes oxygen in the water |
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Aqueducts |
a channel or pipeline for carrying a large quantity of flowing water |