The land masses was once joined together in a giant continent called Pangaea. Later on, Pangaea was divided into 7 major continents since it was separated.
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Contintental drift theory was purposed by Alfred Wegener he states that long time ago there was a massive landmass called Pangaea which splits apart into 2 super continent called Gondwanaland and Laurasia then after a million years the super continents split again and called continents.
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