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Map showing the underwater topography (bathymetry) of the ocean floor. Like land terrain, the ocean floor has ridges, valleys, plains and volcanoes.

The seabed (also known as the seafloor, sea floor, or ocean floor) is the bottom of the ocean.

Seabed sections
Intro   Seabed structure   Benthos   Seabed features    History of exploration    In art and culture    Further reading    See also    References    External links   

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