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In 1910, a German scientist who's name was Alfred Wegner, was curious about the realationshipof the continents. He made a hypothesis that the Earth's continents had moved!His hypothesis was that the continents once joined in a single landmassand since drifted apart. He named the supercotinentPangaea with means "all lands."According toWegner, Pangaea use to existe a few hundred million years ago. That was the time when the reptiles and the winged insects had first appeared.The great tropical forests, in which had later formedcoal deposits,that covered large parts of the Earth's surface. Over the ten of millions of years ago, when Pangaea begane to break apart. The pieces of Pangaea began to move slowly toward thier preseant-day locations,
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