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How big is the Mariana Trench? For example, if I'm standing on the ocean floor and I jump into the trench, how far do I fall? - Quora
Mariana Trench pollution: Frozen balloon, plastic waste at bottom of the ocean | news.com.au — Australia's leading news site
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Man-made horrors lurk at the bottom of the Mariana Trench, the deepest part of the ocean - NZ Herald
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