traverses these physical divisions: 1st. The Atlantic Ocean. 2d. The Atlantic Maritime Slope. 3d. The Alleghany Mountains. 4th. The Basin of the Mississippi. 5th. The Cordillera of the Sierra Madre.

Save guides, add subjects and pick up where you left off with your BBC account. North America is the third largest continent in the world. It is located in the Northern Hemisphere. The north of ...