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5.4: Bathymetric Evidence for Seafloor Spreading

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

abyssal plain

abyssal plain

Very flat areas that make up most of the ocean floor.
continental margin

continental margin

Submerged, outer edge of the continent. It is the transition zone from land to deep sea where continental crust gives way to oceanic crust.
mid-ocean ridge

mid-ocean ridge

A large, continuous mountain range found within an ocean basin. It is the location on the seafloor where magma upwells and forms new seafloor.
trench

trench

The deepest parts of the ocean basins.

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Difficulty Level:

At Grade

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Date Created:

Feb 24, 2012

Last Modified:

Jun 25, 2015
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