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ANSWERS: 2
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Sea: http://en.wikipedia.org/wiki/Sea A sea is either a large expanse of saline water connected with an ocean, or a large, usually saline, lake that lacks a natural outlet such as the Caspian Sea and the Dead Sea. Colloquially, the term is used synonymous with ocean. Large lakes, such as the Great Lakes, are sometimes referred to as inland seas. Marginal seas are those that have currents caused by ocean winds, and mediterranean seas are those in which currents are caused by differentials in salinity and temperature. Ocean http://en.wikipedia.org/wiki/Ocean An ocean (from Greek ΩκεανÏŒς, Okeanos (Oceanus)) is a major body of saline water, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface (an area of some 361 million square kilometers) is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas. More than half of this area is over 3,000 meters (9,800 ft) deep. Average oceanic salinity is around 35 parts per thousand (ppt) (3.5%), and nearly all seawater has a salinity in the range of 30 to 38 ppt.
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The Oceans are immense bodies of water that separate continents and there are only 4 of them: Antarctic Ocean Pacific Ocean Atlantic Ocean Indian Ocean Seas are much smaller and are well defined such as the Red Sea, Mediterranean Sea 'a great body of salt water that covers much of the earth; broadly. the waters of the earth as distinguished from the land and air a body of salt water of second rank more or less landlocked <the Mediterranean sea> an inland body of water —used especially for names of such bodies <the Caspian Sea>' Seas: http://www.merriam-webster.com/dictionary/sea
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