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Alfred Wegener, a German meteorologist and geophysicist, proposed the continental drift hypothesis in 1912, suggesting that continents were not fixed but had slowly moved across the Earth's surface over geological time. He observed that the coastlines of continents such as South America and Africa appeared to fit together like pieces of a jigsaw puzzle, suggesting that they were once joined. This led to his concept of a supercontinent, which he named Pangaea, meaning "all lands," which later fragmented to form the present continents. Wegener argued that these continental movements explained several geological phenomena observed globally. One of the main lines of evidence Wegener presented was geological correlation. Similar rock types, mountain ranges, and geological structures were found on continents now separated by oceans. _____ ________ ________ ____ ______ ___ _____.
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