The two significant mountain ranges of American are ( ) and Appalachian Mountains.

Western Canada consists of the Appalachian Region and the Great Lakes & St. Lawrence Lowlands.

Which mountain is called the “Backbone of the United States”? A: the Rocky Mountains B: the Appalachian Range C: the Coastal Range

The Backbone of North America refers to the ____. A: Appalachian Mountains B: Rocky Mountains C: Cascade Mountains D: Nevada 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

____________ extend from the northern tip of Maine southwestern to Alabama. A: The Rocky Mountains B: The Appalachian Highlands C: The Coast Mountains D: The Blue Mountains

____ 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

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