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Maps exhibiting the world's oceanic waters. A continuous body of water encircling Earth, the World/Global Ocean is divided into a number of principal areas. Five oceanic divisions are usually recognized: Pacific, Atlantic, Indian, Arctic, and Southern/Antarctic; the last two listed are sometimes consolidated into the first three.
A continent is any of several large geographical regions. Continents are generally identified by convention rather than any strict criteria. A continent could be a single landmass or a part of a very large landmass, as in the case of Asia or Europe. Due to this, the number of continents varies; up to seven or as few as four geographical regions ...
Continent Location Borders (alphabetical order) Continents Countries Oceans / Seas; Americas: Northern / Western / Southern: Arctic Ocean / Atlantic Ocean / Pacific Ocean / Baffin Bay / Beaufort Sea / Bering Sea / Caribbean Sea / Chukchi Sea / Greenland Sea / Gulf of Mexico / Hudson Bay / Labrador Sea: Antarctica: Eastern / Southern / Western
The Mediterranean Sea, between Africa and Europe The Atlantic Ocean around the plate boundaries (text is in Finnish). The African and European mainlands are non-contiguous, and the delineation between these continents is thus merely a question of which islands are to be associated with which continent.
A world map is a map of most or all of the surface of Earth. World maps, because of their scale, must deal with the problem of projection. Maps rendered in two dimensions by necessity distort the display of the three-dimensional surface of the Earth. While this is true of any map, these distortions reach extremes in a world map.
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This began as the study of the shape of the ocean's currents [18] but has since expanded into a large and multidisciplinary field: [19] it examines the properties of seawater; studies waves, tides, and currents; charts coastlines and maps the seabeds; and studies marine life. [20]
Passive margins and crustal extensions: to compensate the extension of continents due to continental rifting, oceanic crust decreases and therefore so does the volume of the ocean basin. However, the increase in continental area leads to a stretching and thinning of the continental crust, much of which ends up below sea level, thus again ...