Please help me. The test is due soon! What is the term for the movement of heat inside the Earth that causes plate tectonics?
Rising Magma Flow
Mantle Convection
Manipulated Variable
Isostasy

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.