MARIANA TRENCH: The Deepest Part of the Ocean

The ocean ranges in depth from 0 to more than 36,000 feet deep (about 11km). The average depth of the ocean is about 12,100 feet, which is more than 3km!  The deepest known point in the ocean is more than 11km below the ocean surface. What Is the Deepest Part of the Ocean? The ocean’s […]

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