How did wegener's theory of continental drift differ from the current theory of plate tectonics?

wegener's theory did not explain how the continents could move.
wegener's theory did not explain how the coastlines of continents were similar.
wegener's theory did not explain how continents' rock patterns could match.
wegener's theory did not explain how the fossils on different continents were similar.

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.