PLease help me on this. I will put brainylist on whover gives me the best answer. Promise.

Plz hury on a timer which statements explain what happens at deep-ocean trenches? check all that apply. crust is formed. mountains are formed. seafloor spreading occurs. crust becomes molten rock. denser plates slide under lighter plates.

Can you give an explanation of what medc and ledc are.

What man-made lake was created by the building of the hoover dam?