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45 Cards in this Set
- Front
- Back
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a low lying area located at the mouth of a river formed by deposits of alluvial soil
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delta
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slightly saline
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brackish
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a narrow strip of land connecting two larger land masses
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isthmus
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a section of a waterway closed off with gates in which vessels are raised or lowered by adding or moving water
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lock
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an engineering term for an artificially created channel for passageway
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cut
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quantity of water measured at a specific point along the river
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discharge
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a region of soil deposited by a river
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alluvial deposition
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a high tide that rises at the mouth of a river during new and full moons rushing upriver at speeds in excess of 40 mph
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tidal bore
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entirely surrounded by land
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landlocked
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mouth of a river that is affected by seatides
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estuary
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a large or high waterfall
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cataract
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a religion and culture native to India
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Hindu
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a small channel that has broken off from a larger channel of a river
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distributary
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fine grain topsoil carried by wind or water
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loess
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the indiscriminate cutting or overharvesting of trees for lumber or to clear the land for agriculture or development
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deforestation
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a fortress of several buildings in London historically used as both a palace and a prison
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Tower of London
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to melt ores in order to remove impurities
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smelt
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coal from which most of the gases have been removed by heating
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coke
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the states of Midwest and Northeast where there has been a decrease in production of such items as steel and automobiles
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Rust Belt
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the states of the South and Southwest with the warm, sunny climate
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Sun Belt
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the practice of clearing fields for agriculture by cutting down and burning all vegetation
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slash-and-burn agriculture
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federal corporation organized in 1933 to provide cheap electric power, flood control, and irrigation by building dams and reservoirs along the Tennessee River
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Tennessee Valley Authority
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impure mineral wastes removed in the ore making process
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slag
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to restore to usefulness
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reclaim
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fuel made of ethyl alcohol and unleaded gasoline
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gasohol
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a river flowing within a larger body of water
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current
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the movement of deeper, cooler, nutrient-rich water to the ocean surface
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upwelling
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stony skeletal deposits produced by polyps
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coral
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a cold, ocean current flowing northward from Antartica along the western coast of South America
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Humboldt (Peru) Current
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interrupting or interfering with something
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disruptive
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a warm ocean current flowing northward along the Eastern coast of N. America before turning toward Europe and becoming the North Atlantic Drift
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Gulf Stream
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any disease that destroys plants
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blight
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a large mass of land ice that is or has been in motion
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glacier
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a glacier formed at high latitudes that covers large area of land
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continental glacier
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a relatively small glacier formed at high elevations in the mountains
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alpine glacier
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the final deposits of glacial debris marking the farthest advance of a glacier
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terminal moraine
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the process whereby large pieces of ice break off when a glacier enters water
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calving
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scraping action due to the weight of glaciers leaving bare bedrock
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glacial scouring
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the ability of the planet to seek a state of equilibrium to equalize or balance itself
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isostasy
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a fan-shaped stream deposit extending out from the bases of mountain ranges
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alluvial fan
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a large mountain hollow created by a glacier
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cirque
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a glacial tributary valley that is not as deeply eroded as the main glacial valley and thus remains higher when the glacier retreats
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hanging valley
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a deep crack in a glacier due to movement
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crevasse
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having the ability to change shape without breaking
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plastic
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a long, narrow arm of the sea which formed as the result of drowning of a glaciated valley
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fiord
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