United States Vocabulary Review
aqueduct
a channel or pipeline for moving large quantities of water
suburb
a community lying on the fringes of a metropolitan area
Ashcan School
a group of American artists who painted the grim realities of urban America in the early 1900s
dry farming
a method used in which crops are grown that rely only on natural precipitation
Sunbelt
a mild climate region in the southern and southwestern portions of the United States
divide
a physical feature that determines the direction of river flow
hot spot
a place on the ocean floor through which magma vents to create an underwater volcano that may grow into an island
hurricane
a powerful tropical storm that forms over warm ocean waters
foreclosure
a procedure in which a borrower gives up rights to a property due to the inability to repay the loan
Manufacturing Belt
a region in the Northeastern and Midwestern United States characterized by its heavy industrial concentration
Great Lakes- St. Lawrence Seaway
a series of canals, rivers, and waterways that link the Great Lakes with the Atlantic Ocean
tributary
a smaller river or stream that feeds into a larger river
smog
haze caused by the interaction of ultraviolet solar radiation with chemical fumes from pollution sources
Columbia Plateau
the dry area between the Pacific Ranges and the Rocky Mountains
Great Plains
the flat landscape that stretches hundreds of miles east of the Rocky Mountains
fall line
the place where the higher land of the Piedmont drops to the lower Atlantic Coastal Plain
eutrophication
the process by which a body of water becomes rich in dissolved nutrients, encouraging the overgrowth of small plants, especially algae
clear-cutting
the removal of whole forests when harvesting timber
headwaters
the source of a stream or a river