In 2007, a piece of
Map showing the underwater topography (bathymetry) of the ocean floor. Like land terrain, the ocean floor has ridges, valleys, plains and volcanoes.
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The deepest ocean trenches could easily swallow up the tallest mountains on
land. ... The diagram below shows the main features found on the
Underwater mountains and shelves? Discover how
Part of the Earth's surface beneath the seas and the oceans; its topography is