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Unit-2 Geography
| Term | Definition |
|---|---|
| Rocky Mountains | are the largest mountain system in North America |
| glacier | huge, slow-moving sheets of ice |
| Great Lakes | the world largest group of freshwater lakes |
| tributary | Is a stream or river that flows into a larger river |
| tundra | a cold,dry region covered with snow for more than half the year |
| permafrost | 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 |
| hydro electricity | electric power produced by moving water |
| fossil fuel | a fuel formed over millions of years from animal and plant remains |