The best answer is Abrasion.
Oceanic crust is more dense which makes it subduct and continental crust is less dense which makes it override the oceanic crust during subduction
I think the correct answer from the choices listed above is the second option. An example of folded mountains can be seen in the Alps in Europe. <span>Fold mountains are mountains formed mainly by the effects of folding on layers within the upper part of the Earth's crust. Hope this answers the question.</span>
