According 
                        the theory of
               
                continental 
                        drift
               
               , Pangaea split into two halvesLaurasia 
                        and Gondwanalandroughly 200 million years ago. In 
                        turn, Laurasia split into Eurasia and North America, while 
                        Gondwanaland broke up into Antarctica, Africa, Australia, 
                        South America, and the Indian subcontinent.
                
              
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