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Mariana Trench

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noun
a depression in the ocean floor of the Pacific, S and W of the Mariana Islands: site of greatest known depth of any ocean. 36,201 feet (11,034 meters) deep.
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Which of the following words describes “sky blue”?
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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