• Alfred Wegener said that the continents had been joined as a single landmass, which he called Pangaea.
  • He had a lot of evidence to support his hypothesis, but he could not explain how the continents could move through the oceans.
  • He suggested that continental drift occurred like an icebreaker plows through sea ice.
  • Wegener died in 1930 on an expedition on the Greenland icecap.
  • The continental drift hypothesis was put to rest for a few decades.
  • It was when technology could provide more evidence for continental drift that scientists looked into the idea again.
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