| A | B |
| tundra | A cold region with little vegetation except for low grasses. |
| permafrost | Permanently frozen layer of ground below the top layer of soil. |
| Imperial Valley | A valley in the Colorado desert, extending from California to Mexico. |
| Grand Coulee Dam | A dam on the Columbia River in the state of Washington. |
| prairie | A region of flat or gently rolling land covered with tall grasses. |
| Vancouver | A city in southwestern, British Columbia. |
| province | A political division of land in CAnada, similar to a state in the U.S. |
| agribusiness | A large company that runs farms to produce, process, and distribute agriculture products. |
| St.Lawrence Lowlands | A major farming region in the prairie provinces of Canada. |
| alluvial | Deposited by water, relating to fertile top soil left after a flood. |
| tropics | An area of the earth where the climate is always hot. |
| St.Lawrence River | A river in eastern North America; the third longest in Canada. |
| Mississippi River | A large river in the Central United States flowing south from Minnesota to the Gulf of Mexico. |
| rain shadow | An area on the side of a mountain away from the wind that gets littel rain fall. |
| glacier | A large mass of ice that moves slowly over the land. |
| Continental Divide | A boundry that separates riverd flowing towards opposite sides of the continent. |
| Great Lakes | A group of five lakes in the central United States. |
| Appalachian Mountains | A mountain system in the eastern United States. |
| Death Valley | The hottest, driest region of the United States. |
| Rocky Mountains | The major mountain range in western North America extending from Canada to Mexico. |