1. . Fossils:
Wegener found that fossils of the same attributes could be found in distant places. For example the fossil of a reptile called the Mesosaurus, was found only in southeastern South America and southwestern Africa. These two places are separated by the Atlantic Ocean. The Mesosaurus are small reptiles and would never have survived the swim from one continent to the other, as the distance is about 6000 miles. If the ocean were not to be there, South America and Africa might seem to fit seamlessly together. If the world was once one piece of land, the Mesosaurus might have thrived in one vast environment that got split in two when the continental drift had commenced.
2. Geological Rocks:
Just like the first point with fossils, similar rocks were found in the separated lands of Greenland, Newfoundland, Ireland and so on. These rocks are of the same sorts and have similar qualities to them, while are about the same age.
3. Climate:
A lot of the Pangaea was situated near the South Pole, meaning there would be land bombarded with glaciers. During the ice age, these large cuts of ice would keep itself on large lands. When they moved ahead to somewhere else, they left behind evidence of their stay. Carvings turned in to valleys, patterns on the rocks and wounds of the land were left as proof glaciers had been there. Both the glaciers and the artifacts they left behind were named paleoglaciation. Again, these markings were found on other continents and parts of land that are now separated by water. These shapes were found in both India and Africa, which are disembodied by the Indian Ocean.
Alfred Wegener deemed each continent held artifacts of the continental drift, which no one believed at his time, but now it has been proven due to these facts. There are many other reason showing why the continental drift theory is true, but these are only a few.
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