aurora1527 aurora1527
  • 15-11-2019
  • Social Studies
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What type of mountains are the Rockies?

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seahawksforlife3 seahawksforlife3
  • 15-11-2019
The Rocky Mountains are massive mountain ranges that stretch from Canada to central New Mexico. They took shape during a period of intense plate tectonic activity around 170 to 40 million years ago. Three major mountain-building episodes shaped the western United States.
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