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| the underwater edges of continents |
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| the shifting of winds and surface currents from their expected paths because of Earth's rotation |
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| rhythmic movement that carries energy through matter or space |
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| a part of an ocean basin area where new ocean floor is formed; underwater mountain range |
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| a long, narrow strip of land running parallel to the shore |
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| a measure of the amount of salts dissolved in seawater |
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| the distance between the crests of between the troughs of two adjoining waves |
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| ocean basin feature that dips steeple down from the continental shelf |
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| flat seafloor area from 4,000 m to 6,000 m below the ocean surface, formed by the deposits of sediments |
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| underwater, inactive volcano peaks |
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| a current that forms in the ocean because a mass of seawater becomes more dense than the surrounding water and sinks |
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| a long, narrow, steep-sided depression where on plate sinks beneath another |
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| a very large ocean wave caused by an underwater earthquake or volcanic eruption |
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| a large system of rotating ocean currents, particularly those involved with large wind movements |
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| gradually sloping end of a continent that extends under the ocean |
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| rise and fall in sea level |
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| the movement of material along a coast by waves which approach at an angle to the shore but recede directly away from it |
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| a method or device for detecting and locating objects especially underwater by means of sound waves sent out to be reflected by the objects |
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| current that moves water horizontally, or parallel to Earth's suface |
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| a strong, narrow surface current that flows rapidly away from the shore |
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| the time it takes for two successive wave crests to pass a given point |
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| a wide, gentle incline from an ocean bottom to a continental slope |
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