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By studying the geological evidence.

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12y ago
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Q: How does anyone know when the Grand Canyon was formed?
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Related questions

What are some human issues in the Grand Canyon?

Every one should know that the pollution is the human issue in the grand canyon anyone that did not know that is stupid


How di they make the Grand Canyon?

I don't know who you think "they" are, but humans did not create the Grand Canyon.


What was the type of erosion that formed the grand canyon?

Water from the Colorado River which wasn't always the meek traveler that is found there today.


What is Arizona best know for?

The Grand Canyon.


What is Arizona know as?

The Grand Canyon State.


Who explored what is today the Grand Canyon?

i don't know if this is the answer your looking for but John Powell explored the grand canyon at one point.


Was the Grand Canyon eroded a million years ago?

Yes, the Grand Canyon as we know it today would look very much like the Grand Canyon of 17 million years ago.


How did lava shape the grand canyon?

If I'm not mistaken, lava didn't really shape the grand canyon, the Colarado River did. It slowly eroded the rock until it is the massive canyon we know today.


What state of the US is the the grand canyon located in?

no i don't think that cause they(that person) could mean they want to know where in Arizona it is located


What was Francisco Coronado know for?

da finding the grand canyon


What canyon is popular?

The most popular canyon that a majority of people know is the Grand Canyon,Arizona,U.S. The Grand canyon alone has approximately 3 million visitors a year and is a natural world heritage site, nominated in 1979. President Roosevelt of the U.S stated;"In the Grand canyon , Arizona has a natural wonder, which as far as I know, is in kind absolutely unparralleled throughout the world." Therefore it is reasonable to think, supported by this evidence that indeed the Grand canyon is the most popular canyon. Note: This can also be a matter of opinion


What are some edible plants in the grand canyon?

i dont freaking know.