When Maya visited the Grand Canyon on a school trip she made some observations while standing at the top of the canyon. She saw the river rushing by at the bottom and trees growing in cracks along the cliffs. She felt how windy it was at the top and how cold it got at night. She heard rocks fall and roll down the cliffs to the bottom. Which of Maya’s observations is an example of only erosion taking place?
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When Maya visited the Grand Canyon on a school trip she made some observations while standing at the...
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