Answer :
Answer: The Rocky Mountains took shape during a period of intense plate tectonic activity that formed much of the rugged landscape of the western United States. ... Slivers of continental crust, carried along by subducting ocean plates, were swept into the subduction zone and scraped onto North America's edge.
hope it helped
bye
Explanation:
The collision of such continental plate with the western shore of the American plate had a significant impact on volcanic and explosive activities west of and encompassing Colorado, as well as mountain formation in the same area.
The Mountain Ranges arose during an era of severe plate tectonic upheaval that shaped most of the western The Us' harsh environment.
Slivers of crustal were pushed into the plate boundary and dragged onto North America's border by subduction zones ocean plates.
Learn more:
https://brainly.com/question/16832668?referrer=searchResults