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The continental shelf the area of seabed around a large landmass where the sea is relatively shallow compared with the open ocean. The continental shelf is geologically part of the continental crust.
The continental slope the slope between the outer edge of the continental shelf and the deep ocean floor
The continental rise is an underwater feature found between the continental slope and the abyssal plain.
Abyssal plain is an underwater plain on the deep ocean floor, usually found at depths between 3000 and 6000 m.
Mid-ocean ridges a long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwelling
Rift valley a large elongated depression with steep walls formed by the downward displacement of a block of the earth's surface between nearly parallel faults or fault systems.
Sea mounts a submarine mountain.
Ocean trenches a long, narrow, deep depression in the ocean floor, typically one running parallel to a plate boundary and marking a subduction zone.
Created by: quron.hill0224