The deepest point in the world's oceans is the
Challenger Deep, in the Marianas Trench;
its depth is 11,520m (37,800 feet).
If you cut Mount Everest off at sea level and
put it on the ocean bottom in the Challenger Deep,
there would still be well over a mile of water
over the top of it. You can check out this web
site to see how deep some other parts of the sea
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