In the early 1900s, geologist Alfred Wegener described a process he called continental drift. He proposed that Earth’s continents had once been a single landmass that had broken up and the continents had then moved apart. At first, scientists were skeptical, but they accepted Wegener’s idea when new discoveries supported it. Which term describes continental drift? A. Hypothesis
B. Theory
C. Law
D. Empirical evidence

B. Theory