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Mathematics, 10.10.2019 10:30 anthonylopez1
The grand canyon is approximately 29 kilometers long. mariner valley is a canyon on mars that is approximately 212 kilometers long. about how many times longer is mariner valley than the grand canyon? 2 23 221 2108
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The grand canyon is approximately 29 kilometers long. mariner valley is a canyon on mars that is app...
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