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Term | Definition |
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megalopolis | a very large city; a region made up of several large cities and their surrounding areas, considered to be a single urban complex |
mangrove | a tropical tree that grows in swampy ground along coastal areas |
bayou | a marshy inlet or outlet of a lake or a river |
fall line | imaginary line between the Appalachian mountains and the Atlantic coastal plain, where rivers and streams form waterfalls and rapids as hey descend from higher elevations to the coastal plain |
sunbelt | the southern and southwestern states of the united states, from the Carolina to southern California,characterized by a warm climate and, recently, rapid population growth |
humus | the organic material that results when plants and animals that live in he soil die and decay |
growing season | in farming the average number of days between the last frost of spring and the first frost of fall |
grain elevator | a tall building equipped with machinery for loading, cleaning, storing, and discharging |
grain exchange | a place where grain is bought and sold as a commodity |
tundra | a dry, treeless plain where temperatures are always cool or cold and only specialized plants can grow |
aqueduct | a large pipe or channel designed to transport water from a remote source over a long distance |
province | a territory governed as a political division of a country |
lock | an enclosed section of a canal, in which a ship may be raised or lowered by raising or lowering the level of the water in that section |
maritime | bordering on or near the sea; relating to navigation or shipping |
bedrock | the solid rock underlying the earth's surface |
seperatism | a movement to win political, religious, or ethnic independence from another group |
secede | to withdraw formally from membership in a political or religious organization |
customs | fees charged by a government on imported goods |
tariff | a tax imposed by a government on imported goods |
nafta | north american free trade agreement, which phased out trade barriers among the united states, canada, and mexico |