The Great Rift Valley is being formed by tectonic plates that are pulling away from each other. What would we expect eastern Africa to look like tens of millions of years in the future as a result of this activity? A. A large mountain range will be created along the rift. B. Eastern Africa will continue to move closer to South America. C. A sea will split the eastern coast of Africa from the rest of the continent. D. The continent will look about the same.