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America's Land
Chapter 1: America's Land
Term | Definition |
---|---|
landform | A feature on the surface of the land such as a plain, mountain or valley. |
plateau | A high steep-sided area rising above the surrounding land. |
climate | The type of weather a place has over a long period of time. |
equator | The imaginary line around the middle of the earth. |
physical map | A map that shows the location of physical land features, such as landforms, bodies of water, or resources. |
political map | A map that shows cities, states and countries. |
capital resource | A tool, machine, or building that people use to produce goods and services. |
human resource | People and the skills and knowledge they bring to their work. |
scarcity | Not having as much of something as people would like. |
opportunity cost | The thing you give up when you decide to do or have something else. |
conservation | The protection and wise use of natural resources. |
region | An area that has one or more features in common. |
economy | The system people use to produce goods and services. |
specialization | The result of people making the goods they are best able to produce with the resources they have. |
consumer | Someone who buys goods and services. |
trade | The buying and selling of goods. |
environment | The surroundings in which people, plants, and animals live. |
erosion | The process by which water and wind wear away the land. |
pollution | Anything that makes the soil, air, or water dirty and unhealthy. |
ecosystem | A community of plants and animals, along with the surrounding soil, air and water. |