Alfred wegener was correct in his theory that continents used to be connected in a single land mass but never drifted apart again over time. However he was wrong in his explanation of why the continents drifted. Currently how do we explain how the continents Move on the surface of the earth

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease