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How the Grand Canyon was formed.
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One theory of how the Grand Canyon formed is that the Colorado river poured into a basin which formed a giant lake.
A long long time ago...
There was a mountain range the size of the Himalayan mountains. Where the Grand Canyon is now.
Then 5.5 billion years ago...
The Grand Canyon formed.
But Wait...How did this canyon form?
The lake then rose and spilled over a plateau. The water was so powerful that it carved the canyon.
A lot of the Grand Canyon is still a mystery, but this is what we think happened.
That is how the Grand Canyon was formed.
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