Columbia Encyclopedia

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euphotic zone

(Encyclopedia)euphotic zone: see ocean.

enterprise zone

(Encyclopedia)enterprise zone, designated geographical district in which resident businesses are legally entitled to receive special benefits from a government, established in economically depressed areas to encour...

aphotic zone

(Encyclopedia)aphotic zone: see ocean.

frigid zone

(Encyclopedia)frigid zone: see Arctic, the; Antarctica; zone. ...

littoral zone

(Encyclopedia)littoral zone: see ocean.

subduction zone

(Encyclopedia)subduction zone, large-scaled narrow region in the earth's crust where, according to plate tectonics, masses of the spreading oceanic lithosphere bend downward into the earth along the leading edges o...

time zone

(Encyclopedia)time zone: see standard time.

torrid zone

(Encyclopedia)torrid zone: see tropics.

pelagic zone

(Encyclopedia)pelagic zone: see ocean.

Clark, Kenneth Bancroft

(Encyclopedia)Clark, Kenneth Bancroft, 1914–2005, American psychologist and educator, b. Panama Canal Zone, grad. Howard (B.A., 1935) and Columbia (Ph.D., 1940). Clark taught psychology at Howard (1937–38) and ...