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Social Studies Ch. 1
Place and Time: Inited States Beginnings to Today
| Term | Definition |
|---|---|
| calendar | a system for breaking time into units and keeping track of those units |
| chronology | order of dates in which events happen |
| diagram | an illustration for organizing and presenting complex information |
| globe | a round model of the earth |
| map | a flat drawing of all or part of the earth's surface |
| landform | natural feature of the earth's land surface |
| relief | ups and downs of earths surface |
| elevation | the height of an area above sea level |
| ecosystem | a community of living things and the surroundings in which they live |
| opportunity cost | the cost of passing up the second choice when making a decision |
| capital | human-made goods that people use to produce good and services; also, money |
| entrepreneur | a person who starts and runs a business |
| market economy | economic system in which buyers and seller choose to do business with those who satisfy their needs and wants best |
| free enterprise system | economic system in which people are free to control and own the means of production |
| tariff | a tax on imports |
| Income | money receives |
| maximize | make as large as possible |
| environment | the physical surroundings |