Relier Pairs Oceanic reliefVersion en ligne What are these landforms? par Maru Cruz 1 Abyssal plain 2 Continental slope 3 Ocean trenches 4 Ocean ridges 5 Continental shelves Plains underwater near coastlines Large expanse of land at the deepest part of the ocean Incline from the continental shelf down to the abyssal plain Large underwater mountain ranges Deep depressions in the ocean floor