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Chapter 2
Regions of the United States
basin: a bowl-shaped landform that is lower than the surrounding land.
coastal plain: low, flat land that runs along a coast.
global grid: the grid formed by crisscrossing lines of latitude and longitude on a map.
inland: not bordering an ocean.
levee: a wall, typically made of dirt, built along a river to keep it from flooding.
lines of latitude: an imaginary line that runs east and west around the globe; also called a parallel.
lines of longitude: an imaginary line that runs around the globe between the North and South Poles; also called a meridian.
map key: an explanation of what the symbols on a map stand for.
plateau: a high, flat landform that rises steeply from the land around it.
scale: a diagram that explains distances on a map.
Special-purpose map: a map that shows just one kind of information, such as rainfall or elevation.