Has anything been found at the bottom of the Mariana Trench?

A plastic bag was found in the trench A handful of explorers have trekked to the Challenger Deep since then, but the expeditions are not common — and the journey is extremely dangerous. Explorer and Texas investor Victor Vescovo said he saw a plastic bag and candy wrappers at the bottom of the Mariana Trench.



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The Trench was formed after the collision of two tectonic plates-the Pacific Plate and the Mariana Plate. One plate is forced under the other plate, with the older, denser oceanic crust sliding down into the mantle.

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