What characterizes the subregion of the northeastern united states highlighted on map

Explain how a convection current in the earth is formed.

Under which condition below would u expect a coarse-grained intrusive rock like diorite to form?

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.