Sea

A wave dashin on the shore in theGulf o Santa Catalina

Thesea,thewarld ocean,or simply theocean,is the connectitboukosauty watterthat kivers ower 70 percent o the Yird's surface. It moderates the Yird's climate and is an important pairt o thewatter cycle,carbon cycle,annitrogen cycle.Awtho the sea haes been traivelt and explored sin auncient times, the scienteefic study o the sea—oceanografie—dates broadly frae the voyages o CaptainJames Cookwho explored thePacific Oceanatween 1768 an 1779. Ingeography,"sea" is uised in the names o smawer, pairtly laundlocked sections o the ocean, for ensaumple theErse Sea,while "ocean" is uised in the names othe five lairgest sections,sic as the Pacific Ocean.