What evidence is used to support the theory of plate tectonics? a. the continental drift hypothesis
b. the process of erosion and deposition
c. the presence of molten iron in earth’s core
d. the magnetic reversals found in the oceanic crust

What statement about charlemagne is not true? a. charlemagne's empire collapsed during his rule b. charlemagne sent missionaries throughout europe c. charlemagne encouraged the arts and education d. charlemagne ruled much of western europe a. charlemagne's empire collapsed during his rule