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The deepest point in the ocean is called the Challenger Deep, and it is more than 36,000 feet (more than 7 miles) deep.
The Challenger Deep is located in the Mariana Trench, a crescent-shaped convergence zone (where two of the Earth's plates collide) that is over 1,500 miles long and 44 feet wide.
Despite water pressures of 8 tons per square inch, there are organisms in the trench, and humans have even been there. Read more about the Mariana Trench here.
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