Term | Definition |
Megalopolis | Very large city; a region made up of several large cities and their surrounding areas, considered to be a single urban complex. |
Mangrove | Tropical tree that grows in swampy ground along coastal areas. |
Bayou | 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 they descend from higher elevations to the coastal plains. |
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 | 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 first frost of fall. |
Grain Elevator | A tall building equip with machinery for loading, storing, and discharging grain. |
Grain Exchange | Place where grain is bought and sold as a commodity. |
Tundra | Dry, treeless plain where temperatures are always cool and cold and only specialized plants can grow. |
Aqueduct | 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; related to navigating or shipping. |
Bedrock | The solid rock underlining the earth's surface. |
Separatism | A movement to win political, religious, and ethnic independence from another group. |
Secede | To withdraw formally from membership in 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 America Free Trade Agreement, which phased out trade barriers among the United States, Canada, Mexico. |