Answer: It's now widely accepted that the formation of supercontinents like Pangea can be explained by plate tectonics—the scientific theory which states that Earth's surface is made up of a system of plates that float on top of a deeper plastic layer.
Explanation: The breakup of the Pangaea supercontinent. ... The explanation for Pangaea's formation ushered in the modern theory of plate tectonics, which posits that the Earth's outer shell is broken up into several plates that slide over Earth's rocky shell, the mantle