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Inthegeoscientificcommunityoftheworld,avarietyofproposalsareknownashypothesestoex-plainthedynamicsofthecarth.Theseincludeplatcteetonics,theundationhyPothesis(vanBemmelen,1933),themodernexpanding-earthhypothesis(Carey,S.W.,1976),theupheavalocean-floorhypot