the mountains on these continents have similar rocks of the same age. these continents appear to fit together like the pieces of a puzzle. similar fish live in the ocean off the coasts of these continents. the same kinds of fossils have been found on these continents.
I gave my students this multiple choice question: Scientists claim that the continents of South America and Africa were once a single landmass. All of the following observations support this claim except

Only one answer is correct among these 4 choices:
- the mountains on these continents have similar rocks of the same age.
- these continents appear to fit together like the pieces of a puzzle.
- similar fish live in the ocean off the coasts of these continents.
- the same kinds of fossils have been found on these continents.

Could you tell me which one is correct?

similar fish live in the ocean off the coasts of these continents.