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  Grand Canyon: Our Geologic Past
Video Information and Comprehension Questions

Video Description
Each layer of rock within the canyon provides a clue to our geologic past and the dramatic climactic changes that have altered the landscape. Learn how the Grand Canyon formed, and the powerful role the Colorado River played in shaping it.

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Download Comprehension Questions and Answers

The Comprehension Questions are available to download as an RTF file. You can save the file to your desktop and open it in a word processing program.