The eastern coast of South America and the western coast of Africa are separated by the Atlantic Ocean. If scientists find the same types of plant fossils on the eastern coast of South America and the western coast of Africa, which of these would be the best conclusion?
A.
At one time, the two continents were one landmass.
B.
Dinosaurs once lived in both of these regions.
C.
The climate in each continent has changed.
D.
The oceans were formed after dinosaurs went extinct.