Question:
The plate tectonic theory can best be described as _____.
A. earth's natural process by which its lithospheric plates slowly move about because of movement in the asthenosphere
B. a process by which the asthenosphere is heated and creates convection cells
C. a dynamic process of the earth's interior by which the inner core produces a magnetic field
D. an idea that the continents used to resemble a supercontinent, Pangaea, but have now drifted apart