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24 January, 04:54

When was the Grand Canyon formed

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Answers (1)
  1. 24 January, 08:03
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    February 26, 1919

    Explanation:

    The main cause of the erosion that formed the Grand Canyon was water; most scientists agree that it formed when the Colorado River started carving through layers of volcanic rock and sediment between five million and six million years ago
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