Continental drift holds that the continents were once joined in a single landmass and have since drifted apart over geologic time to reach their current positions. It was controversial when proposed but later gave rise to plate tectonics.
Facts
Proposed Year Connections
Belongs To
Source Continental Drift (Britannica)
Proposed By
Source Alfred Wegener (Britannica)
Tested By
The matching-coastline, fossil-taxa and rock-strata evidence Wegener assembled is what the continental drift proposal itself was built to explain.
Sources
1. Continental Drift (Britannica)
Alfred Wegener (Britannica)
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