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The Grand Canyon is approximately 29 kilometers long. Mariner Valley is a canyon on Mars that is approximately 212 kilometers long. About longer is Mariner Valley than the Grand…

The Grand Canyon is approximately 29 kilometers long. Mariner Valley is a canyon on Mars that is approximately 212 kilometers long. About longer is Mariner Valley than the Grand…
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1 vote
The Grand Canyon is approximately 29 kilometers long. Mariner Valley is a canyon on Mars that is approximately 212 kilometers long. About

longer is Mariner Valley than the Grand Canyon?
2
O 2^3
O 2^21
O 2^108

asked
User Dave Ray
by
8.0k points

1 Answer

5 votes
I’m not sure if I’m correct but I think it is 2^21
answered
User Jarek Kulikowski
by
9.0k points
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