A. Mapping paleomagnetic reversals B. Wegener's mapping of the supercontinent Pangaea C. GPS tracking of Earth's crustal movements D. Discovery of sea floor spreading Trace the development of plate tectonics by placing the supporting evidence in correct chronological order. A) A. B. C. D. B) B. C. D. A. C) B. D. A. C. D) D. B. A. C.