The US and Canada Ch. 1
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12 terms
Terms | Definitions |
|---|---|
 Glacier | A huge, slow moving, sheet of ice. |
| Tributary | A Small river or stream that connects into a larger river. |
| Continental Divide | The boundary that separates rivers flowing towards opposite sides of a continent; in North America in the Rocky Mountains. |
| Rain Shadow | An area on the side of a mountain away from the wind that receives little rainfall. |
| Tropics | The area on the Earth between the 23 1/2 North and 23 1/2 South lines of latitude, where the climate is almost always hot. |
| Tundra | A cold, dry region covered with snow for more than half the year; a vast, treeless plain where the subsoil is always frozen. |
| Permafrost | Permanently frozen layer of ground below the top layer of soil. |
| Prairie | A region of flat or rolling land covered with tall grasses. |
| Province | A political division of land in Canada, similar to a state in the US. |
| Alluvial | Deposited by water, relating to the fertile topsoil left by rivers after a flood. |
| Agribusiness | A large company that runs huge farms to produce, process and distribute agricultural products. |
| Hydroelectricity | Electric power produced by moving water, usually generated by releasing water from a dam across a river. |
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