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unti 2-Geography
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| Term | Definition |
|---|---|
| tributary | a river or stream that flows into a larger river |
| great lakes | the worlds largest freshwater lakes |
| glacier | a huge slow moving mass of snow and ice. |
| rocky mountains | the major mountain range in western north America |
| 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 in grass |
| 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 |
| hyrdoelectricity | eletric power produced by moving water |
| fossile fuel | a fuel formed over millions of years from animals and plant remians |