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Key terms geography
| Term | Definition |
|---|---|
| Rocky Mountains | the major mountain range in western North America |
| Glacier | a huge, slow-moving mass of snow and ice |
| Great Lakes | the world's largest group of freshwater lakes |
| Tributary | a river or stream that flows into a larger river |
| Tundra | a cold, dry region covered with snow for more than half the year |
| Permafrost | a permanently frozen layer of ground below the top layer of soil |
| Prairie | a region of flat or rolling land covered with grasses |
| Province | a political division of land in Canada |
| 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 |