What creates the convection current inside Earth?
Group of answer choices
A. Rising and sinking of material
B. Sideways movement of material
C. Warming of material as it rises up
D. Cooling of material as it sinks down
Group of answer choices
A. Rising and sinking of material
B. Sideways movement of material
C. Warming of material as it rises up
D. Cooling of material as it sinks down