PT 40 S1 Q11

According to the theory of continental drift, in prehistoric times, many ... ...

Which one of the following discoveries, if it were made, would most support the above hypothesis about South America and Africa?
(A) A large band of ancient rock of a rare type along the east coast of South America is of the same type as a band on the west coast of Africa.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Stronger: Intro Set