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11-09-2020
Social Studies

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"Mountain Ranges in the United States" Which of these mountain ranges represents the Appalachian Mountains? A) 1 B) 2 C) 3 D) 4

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11-09-2020

Answer: I think D

Explanation:

The Appalachian Mountains, often called the Appalachians, are a system of mountains in eastern North America. The Appalachians first formed roughly 480 million years ago during the Ordovician Period. They once reached elevations similar to those of the Alps and the Rocky Mountains before experiencing natural erosion.

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