Crude oil beneath the earth is often under pressure because it is trapped under
a. coal deposits
b. water tables
c. nonporous rocks
d. porous rocks

Where the main factor that enabled the growth of cities and civilizations was the existence of

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.

The amazon river is in africa true or false