| A | B |
|---|
| conterminous | surrounded by a common boundary |
| megalopolis | term for a series of cities, such as those from Boston to Washington, D.C. |
| Piedmont | term for the eastern edge of the Appalachian region |
| coral reef | these are submerged or low-lying structures formed over time from the skeletons of small sea animals |
| free enterprise | type of economic system,people own and run businesses with little government control |
| acid rain | created when air pollution mixes with water vapor and falls to the earth as rain/snow |
| constitution | a written plan of government |
| republic | form of government where people elect their own officials |
| ethnic group | people who share a common culture, history and language |
| mobile | people that move from place to place |
| National Park | area set aside for recreation and protection of wilderness and wildlife |
| multicultural | term for a country with many cultures |
| colonies | land belonging to another country |
| leisure activities | sports and watching television |
