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jeka94
4 years ago
15

How was the Rocky Mountains formed

Biology
1 answer:
noname [10]4 years ago
8 0

In the south, an older mountain range was formed 300 million years ago, then eroded away. The rocks of that older range were reformed into the Rocky Mountains. The Rocky Mountains took shape during an intense period of plate tectonic activity that resulted in much of the rugged landscape of the western North America.

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