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how deep is the deepest ocean?
Question Date: 2004-05-24
Answer 1:

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 are:
deepest ocean.

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