Vocab.
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each of the black spaces below before clicking
on it to display the answer.
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| 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.
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| continental slope | the slope between the outer edge of the continental shelf and the deep ocean floor.
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| continental rise | The continental rise is an underwater feature found between the continental slope and the abyssal plain. This feature can be found all around the world, and it represents the final stage in the boundary between continents and the deepest part of the ocean
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| Abyssal plain | An abyssal plain is an underwater plain on the deep ocean floor, usually found at depths between 3000 and 6000 m.
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| 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 of magma associated with seafloor spreading. An example is the Mid-Atlantic Ridge.
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| 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.
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| Sea mounts | a submarine mountain.
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| Ocean trenches | a long, narrow ditch.
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