Plate tectonics is the theory that says the earth's crust is: a. spread across 12 land masses b. melting like hot molten lava c. broken into pieces d. freezing over time

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.