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An [[ocean]] is an enormous body of salty water. The study of oceans is called oceanography.  The [[Earth]] contains four oceans. Many life forms find homes in the ocean.

An [[ocean]] is an enormous, continuous body of salt water.   The [[Earth]] contains five oceans, which cover approximately 70% of the surface. Oceans contain a large, diverse collection of the Earth's lifeforms.

 

The study of oceans is called [[oceanography]].

==The World's Oceans==

==The World's Oceans==

* [[Southern Ocean]]

* [[Southern Ocean]]

 

[[Category:Geography]]

[[Category:Geography]]