During the Ice Age.
Continental Drift
I think that continetal drift replaced his theory
When continents break apart into separate land masses, it is called continental drift. This process is driven by the movement of tectonic plates in the Earth's lithosphere.
Continental drift - the movement of tectonic plates
continental drift
the both break apart a Continent
Alfred Wegener proposed the theory of Continental Drift in 1912.
Alfred Wegner was the first person to come up with continental drift
Lithosprehe
Continental Drift
Alfred Wegener
Continental drift