bracefacelanniii
bracefacelanniii bracefacelanniii
  • 11-03-2020
  • Geography
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when did the colorado river start to form the grand canyon

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scollier160715
scollier160715 scollier160715
  • 11-03-2020

Answer: A long time ago.

Explanation: 5 to 6 million years ago.

#Erosion

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