Please choose the correct answer to the 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

Answer1: the mountains on these continents have similar rocks of the same age. Answer2: these continents appear to fit together like the pieces of a puzzle. Answer3: similar fish live in the ocean off the coasts of these continents. Answer4: the same kinds of fossils have been found on these continents.

Answer format: answer1/answer2/answer3/answer4