Term | Definition |
Megalopolis | A very large city; a region made ulp 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 streams form higher elevations to the coastal plan. |
Sunbelt | The southern and southwestern states of the United States, from the Carolinas 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 the soil die and decay. |
Growing Season | In farming, the average number of days between the last frost of spring and the frost of fall. |
Grain Elevator | A tall building equipped with machinery for loading, cleaning, storing, and dicharging grain. |
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. |
Maritime | Bordering on or near the sea; relating to navigation or shipping. |
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. |
Bedrock | The solid rock underlying the earth's surface |
Separatism | A movement to win political, religious, or ethnic independence from another group. |
Secede | To withdraw formally from membership in a polictial or religious oraganazation. |
Customs | Fees charged by a government on imported goods. |
Tariff | A tax imposed by a government on imported goods. |
NAFTA | North American Free Trad Agreement, whcih pased out trade barriers among the United States, Canada, and Mexico |