Question

Which theory suggested that the earth was once a single “supercontinent” that gradually broke up into the continents that we know today?

continental drift theory
subduction
plate tectonics
seafloor spreading

Answer 1

Which theory suggested that the earth was once a single “supercontinent” that gradually broke up into the continents that we know today?

continental drift theory

Answer 2

i am positive that it is the the continental drift theory.