The Backbone of North America refers to the ____.
A: Appalachian Mountains
B: Rocky Mountains
C: Cascade Mountains
D: Nevada Mountains
A: Appalachian Mountains
B: Rocky Mountains
C: Cascade Mountains
D: Nevada Mountains
举一反三
- ____ is the backbone of the North American Continent, and it is also known as the Continental Divide.( ) A: The Appalachian Mountains B: Ben Nevis C: The Rocky Mountains D: The Himalayas
- ______, known as the backbone of the North American Continent, is also called the Continental Divide. A: The Rockies B: The Appalachian Mountains C: The Blue Mountains D: The Great Smoky Mountains
- extend from the northern tip of Maine southwestwards to Alabama. A: The Rocky Mountains B: The Appalachian Highlands C: The Coast Mountains D: The Blue Mountains
- Which mountain is called the “Backbone of the United States”? A: the Rocky Mountains B: the Appalachian Range C: the Coastal Range
- The Great Central Plain is between Rocky Mountains and the Appalachian Mountains, occupying about ____of America’s landmass on the continent. A: one second B: one third C: one fourth D: one fifth