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The idea of continental drift can be derived from its name.
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It was a hypothesis that earth's continents can move over geologic timescales relative to each other, appearing to have drifted across oceans.
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Alfred wagner used a few different lines of evidence to support the idea of continental drift.
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For example, one of these was fossils that were found of ancient reptile, freshwater reptile that was found both in southern africa and south america, making it seem that those continents must have in the distant past been joined.
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Similarly, plant fossils found in norway were tropical plants suggested that the present location of norway once used to have been a tropical climate only possible in low latitudes.
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Third, i should rather say second, excuse me, the stratigraphy of mountain ranges was used...