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Science Continental Drift timeline
8 months ago
Abraham Ortelius observed that the coastlines of South America and Africa fit like puzzle pieces.
Alfred Wegener found that the same fossils of plants and animals were on two different continents.
Arthur Holmes noticed that heat heated objects move to the surface and cooled objects sink to the center.
Harry Hess came up with the idea of seafloor spreading.
John Tuzo-Wilson had been locating two types of tectonic plates until he located a third
Frederek Vine and Drummond Matthews discovered that the earth changes its magnetic polarity overtime.
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