______is called the "backbone of England". A: The Rockies B: The Pennines C: The Appalachians D: The Grand Canyon
______is called the "backbone of England". A: The Rockies B: The Pennines C: The Appalachians D: The Grand Canyon
The Mountains are considered as young as the Himalayas in China.（3.0分） A: Green B: White C: Rocky D: Appalachians
The Mountains are considered as young as the Himalayas in China.（3.0分） A: Green B: White C: Rocky D: Appalachians
______, the backbone of the North American Continent, is also known as the Continental Divide. A: The Appalachians B: Sierra Nevada C: The Rockies D: Mount Rushmore
______, the backbone of the North American Continent, is also known as the Continental Divide. A: The Appalachians B: Sierra Nevada C: The Rockies D: Mount Rushmore
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