| A | B |
|---|
| Coastal Plain | Located along the Atlantic Ocean and Gulf of Mexico-1 |
| Coastal Plain | Broad lowland providing many excellent harbors. |
| Appalachian Highlands | Extending from eastern Canada to Western Alabama |
| Appalachian Highlands | Old, eroded mountains (oldest mountain range in North America) |
| Canadian Shield | Wrapped around Hudson Bay in a horseshoe shape |
| Canadian Shield | Hills worn by erosion and hundreds of lakes carved by glaciers |
| Interior Lowlands | Rolling flatlands with many rivers, valleys, and grassy hills. |
| Great Plains | Flat land that gradually increases in elevation westward; grasslands |
| Rocky Mountains | Rugged mountains stretching from Alaska to Mexico |
| Rocky Mountains | Contains the Continental Divide which determines the directional flow of rivers. |
| Basin & Range | Varying elevations containing isolated mountains ranges. |
| Basin & Range | Contains Death Valley, the lowest point in North America. |
| Coastal Range | Rugged mountains along the Pacific Coast with fertile valleys. |
| Coastal Range | Contains the Sierra Nevada and Cascade Mountains. |
