The modern theory of plate tectonics states
1.the creation of oceanic crust and the drifting of continents
2.the convention currents within the earth's mantle cause the creation of new oceanic crust at the mid oceanic ridges
3.that the oceanic crust is destroyed at areas where this crust type becomes subducted under the lighter continental crust
4.All of the above
Posted Date:-2021-03-07 10:10:37