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unit two geography
| Question | Answer |
|---|---|
| Rocky mountains | The largest mountain system in North America |
| glacier | Huge,slow - moving sheets of ice |
| Great Lakes | The world's largest group of freshwater lakes |
| tributary | A stream or river that flows into a larger river |
| province | a political division of land in Canada |
| prairie | a region of flat or rolling land covered with grass |
| permafrost | a permanently frozen layer of ground below the top layer of soil |
| tundra | a cold,dry region covered with snow for more than half the year |
| alluvial soil | fertile topsoil left by a river especially after a flood |
| agribusiness | a large company that runs huge farms |
| hydroelectricity | electric power produced by moving water |
| fossil fuel | a fuel formed over millions of years from animal and plant remains |