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8 Cards in this Set
- Front
- Back
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Abyssal plain
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A large,flat,almost level area of the deep-ocean basin.
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Continental rise
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The gently sloping section of the continental margin located between the continetal slope and the abyssal plain.
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Continental shelf
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The gently sloping section of the continental margin located between the shoreline and the continental slope.
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Continental slope
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The steeply inclined section of the continental margin located between the continental rise and the continental shelf.
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Mid-oean ridge
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A long,undersea mountain chain that forms along the floor of the major oceans.
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Ocean trench
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A long,narrow,and steep depression in the ocean floor that forms when one tetonic plate subducts beneath another plate;trenches run parallel to volanic island chains or to the coastlines of continents;also called a trench or a deep-ocean trench.
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Rift valley
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A long ,narrow valley that forms as tectonic plates seperate.
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Seamount
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A submerged mountain on the ocean floor that is at least 1,000meters high and that has a volcanic origin.
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