change over from one theory to another after the original idea has existed and been accepted for so long never sits well with scientists. This identical shift of ideas is true for Alfred Wegener and his theory of Pangaea and plate tectonics. Wegener?s theories gave a plausible explanation for the presence of the same species of fossils found on two different continents. His theory refuted the current theory of massive land bridges that ...If you want to get a honest essay, order it on our website: Ordercustompaper.com
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