| A | B |
|---|
| The Black Hills of SD are called black because their slopes are covered with | trees |
| Deciduous trees lose their leaves _____ each year | once |
| Manufacturing in the midwest affects the nations | economy |
| Reserves of water that lie deep under the rich soil are | aquifers |
| Storm cellars are rooms dug into the ground to give refuge to people from | severe thunderstorms |
| In Wisconsin, scientists are protecting endangered whooping cranes in a | wildlife reserve |
| In the midwest states are often called America's | cartland |
| Mount Rushmore has the faces of four | presidents |
| A river that flows into a larger body of water is a | tributary |
| The two states that lie in Tornado Alley are Nebraska and | Kansas |
| Flat grasslands in the midwest that receive little rain and have few trees are called | prairies |
| Minnesota's Mesabi Range is rich with | iron ore |
| Farmers can raise crops on _____ land | arable |
