Ava had read about continental drift and that it had now become a theory. What information caused the hypothesis of continental drift to become a theory? A)observations that the ocean floor plates appear to be stable and unchanging
B. observations that the lithosphere is broken apart and these plates have no boundaries
C. observations that explain the movements of plates in the lithosphere and predict what happens when they meet.

D. observations that Earth appears to have plates with boundaries that are moving