An ocean is a major body of saline water, and a principal component of the hydrosphere having significant effect on the biosphere. Approximately 71% of the Earth's total surface is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas.
List of Oceans
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Arctic Ocean Located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest, and shallowest of the world's five major oceanic divisions. Sometimes considered a sea of the Atlantic, and washes upon northern North America and Eurasia. |
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Atlantic Ocean The Atlantic Ocean is the second-largest of the world's oceanic divisions covering approximately 22% of Earth's surface. Separates the Americas from Eurasia and Africa. |
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Indian Ocean Is the third largest of the world's oceanic divisions, covering about 20% of the water on the Earth's surface. It is bounded by Indian subcontinent, East Africa, Indochina, the Sunda Islands, Australia and by the Southern Ocean. It is the only ocean to be named after a country i.e. India. |
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Pacific Ocean Is the largest of all five ocean covering 30% of total Earth surface and almost 46% of total water surface of Earth. Separates Asia and Australia from the Americas. |
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Southern Ocean Also known as Antarctic Ocean, sometimes considered an extention of Pacific, Atlantic and Indian Oceans[6], which covers the waters that surround Antarctica. |