Can continental drift reverse itself?

What does continental drift indicate about the earth? What's the difference between the continental drift theory and the seafloor spreading theory? Is continental drift a theory or is it proved? If yes, then how was it proved? Can continental drift reverse itself? How is Pangaea related to continental drift? read more

Since the plates move in response to the upwelling of mantle material at the mid-ocean spreading ridges combined with the lateral flow and eventual subsidence, if you want to reverse plate movement you have to reverse the dynamics of these convection cell. read more

The average speed of continental drift is between 2 and 20 cm / year—roughly the speed at which your fingernails grow, although not necessarily that smoothly and steadily—so it’s going to take North America and Europe roughly 50,000 years to move one mile apart. read more

the presence of the same _____ and _____ on several continents supports the idea of continental drift. read more