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 - a
most of the larger land masses are in the Northern Hemisphere.
b
continents with the most moderate climates were located near the Equator.
c
the shapes of continents appeared to allow them to fit together.
d
the oceans have decreased in size throughout the history of Earth.