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DedPeter [7]
3 years ago
8

The Grand Canyon is approximately 29 kilometers long. Mariner Valley is a canyon on Mars that is approximately 212 kilometers lo

ng. About
longer is Mariner Valley than the Grand Canyon?
2
O 2^3
O 2^21
O 2^108
Mathematics
1 answer:
lesantik [10]3 years ago
8 0
I’m not sure if I’m correct but I think it is 2^21
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