Even before modern observations provided evidence that supports the Theory of Plate Tectonics, people developed theories that the continents were once joined together. Using only maps, they observed that- most of the larger land masses are in the Northern Hemisphere.
most of the larger land masses are in the Northern Hemisphere.

continents with the most moderate climates were located near the Equator.

the shapes of continents appeared to allow them to fit together.

the oceans have decreased in size throughout the history of Earth.