Question

write about the Western mountain system​

Answer 1

Explanation:

Physiographic divisions of the western United States include three mountain systems: the Rocky Mountain System (areas 16–19), the Cascade–Sierra Mountains (23), and the Pacific Border Province (24)

Answer 2

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Physiographic divisions of the western United States include three mountain systems: the Rocky Mountain System (areas 16–19), the Cascade–Sierra Mountains (23), and the Pacific Border Province (24).