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seafloor spreading

(Encyclopedia)CE5 Schematic model of the oceanic crust, showing seafloor spreading seafloor spreading, theory of lithospheric evolution that holds that the ocean floors are spreading outward from vast underwate...

sea

(Encyclopedia)sea, term used as synonymous with ocean, or a subdivision of an ocean (Caribbean Sea, Yellow Sea), or erroneously designating a large salt lake (Caspian Sea, Dead Sea, Aral Sea). ...

trench

(Encyclopedia)trench: see ocean.

gyre

(Encyclopedia)gyre: see ocean.

littoral zone

(Encyclopedia)littoral zone: see ocean.

abyssal plain

(Encyclopedia)abyssal plain: see ocean.

thermohaline circulation

(Encyclopedia)thermohaline circulation: see ocean. ...

continental shelf

(Encyclopedia)continental shelf: see ocean.

euphotic zone

(Encyclopedia)euphotic zone: see ocean.

turbidity current

(Encyclopedia)turbidity current: see ocean.