The observation that the continents fit together like puzzle pieces, and may once have been connected, led Alfred Wegener to propose a theory in 1910 called. - ppt video online download
Power of Plate Tectonics: Pangaea | AMNH
5.3.1 What evidence led to the idea that continents move? – Earth & Space Science
2-1 The Breakup of Pangaea
The Earth fits like a puzzle!!!!! – 💡Cosmic Frame>>>∞ and beyond💡