The author refers to a "conveyer belt" in line 13 in order to ______.A.describe the compli
The author refers to a "conveyer belt" in line 13 in order to ______.
A.describe the complicated motions made possible by back-coupling
B.show how temperature differences depend on the positions of the continents
C.illustrate the effects of convection in the mantle
D.account for the rising currents under certain mid-ocean ridges