outsider3042 outsider3042

16-04-2019
Geography

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How long did it take for the grand canyon to form?

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hawyee678 hawyee678

16-04-2019

Answer:around 17 million years ago

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Аноним Аноним

16-04-2019

Beginning about 17 million years ago, the mountain range that fed the ancient northeast river system was destroyed by faulting, as the Basin and Range was created southwest of Grand Canyon.

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