Answer :
Wegener came to the conclusion that they were one mountain range that separated as the continents moved apart. The Appalachian and eastern Greenland mountain ranges share many similarities, supporting the continental drift hypothesis.
What observations about the mountain ranges did Alfred Wegener make?
Wegener found that the Appalachian Heaps of the eastern US, for example, were geographically connected with the Caledonian Piles of Scotland. About 240 million years ago, Pangaea existed. By around quite a while back, this supercontinent started separating.
What evidence for Wegener's theory did they discover in the Atlantic Ocean?
On both sides of the Atlantic Ocean, rocks of the same type and age can be found. Wegener claimed that the land had split apart after the rocks had formed side by side. Currently, mountain ranges on opposite sides of the Atlantic Ocean share similar rock types, structures, and ages.
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