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20135thchap1L345
2013 5th Chapter 1 Lessons 3, 4, 5
| Key Item | Definition |
|---|---|
| Inlet | Any area of water extending into the land from a larger body of water |
| Gulf | The largest inlets |
| Sound | A long inlet that separates offshore islands from the mainland |
| Tributary | A stream or river that flows into a larger stream or river |
| River system | Made up of a river and it's tributaries |
| Drainage basin | The land drained by a river system |
| Fall line | A place where the land drops sharply, causing rivers to form waterfalls or rapids |
| Elevation | The height of the land in relation to sea level |
| Natural vegetation | Plant life that grows naturally in a place |
| Arid | Dry |
| Tundra | Cold, dry region where trees cannot grow |
| Land use | How the land is used |
| Natural resource | Something found in nature that people can use |
| Nonrenewable resource | Resources that cannot be made again by people or would take thousands of years for nature to replace |
| Renewable resource | Resources that can be made again by people or nature |
| Modify | Change |
| Irrigation | The use of canals, ditches, or pipes to move water |
| Efficiency | Using less energy to do the same tasks |
| Continental Divide | An imaginary line that runs north and south along the highest points of the Rocky Mountains |
| Great Salt Lake | An inland body of salt water |
| The Great Lakes | The largest lakes in the United States and in all of North America |
| Mississippi River | The largest river system in the United States |