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1
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Very small pieces of material that deposits on the ocean floor.
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2
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Great rivers of water moving through the ocean.
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3
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Tiny living creatures that float near the ocean's surface and drift with the currents.
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4
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The sloping shelf of land that consists of the edge of the continent that is under the ocean.
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5
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An area where living and non-living things interact.
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7
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A long, narrow valley on the ocean floor. It is the deepest part of the ocean.
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12
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The amount of mass per unit of volume.
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14
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The total amount of dissolved salts in the ocean water.
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