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Earth's Oceans and the Oean Floor

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Pacific Ocean
the largest ocean in the world, the largest ocean, lying west of the continents of North and South America, and east of the continents of Asia and Australia
Atlantic Ocean
the second largest ocean, lying west of the continents of Europe and Africa, and east of the continents of North and South America
Indian Ocean
the 3rd largest ocean, the 3rd largest ocean, ocean between Africa and Australia
Southern Ocean
This ocean, often not labled on maps, surrounds Antarctica and extends northward toward Australia, has the largest area of upwelling (nutrient rich waters circulating to the open surface), which stimulates growth of phytoplankton populations and increase primary production.
Artic Ocean
This ocean has extreme an northern Hemishere, topped with ice for most of the year, location of the mythic "Northwest Passage"
salinity
a measure of the amount of dissolved salts and other solids in a given amount of liquid
thermocline
In water, a distinctive temperature transition zone that separates an upper layer that is mixed by wind (the epilimnion) and a colder, deep layer that is not mixed (the hypolimnion)
deep zone
is the bottom layer that extends from the base of the thermocline to the bottom of the ocean
latitude
the angular distance between an imaginary line around a heavenly body parallel to its equator and the equator itself
density
The measurement of how much mass of a substance is contained in a given volume
ranging
going from one value or number, or place to another
continental margin
a boundary between continental crust and oceanic crust
deep- ocean basin
made up of oceanic crust. The boundary between deep ocean basin and continental margin lies under the continental rise
mid ocean ridge
an undersea mountain chain where new ocean floor is produced; a divergent plate boundary