What causes a supercontinent to break apart

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

The largest unit within which gene flow can readily occur is a

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b. hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.