Question

Which one of the following discoveries, if it were made, would most support the above hypothesis about South America and Africa?

a) Fossils of the same extinct species are found on both continents.
b) Geological evidence indicates recent tectonic activity between the continents.
c) Ancient manuscripts describe historical interactions between South America and Africa.
d) Genetic studies reveal close similarities between the populations of South America and Africa."

Answer 1

Genetic studies revealing close similarities between the populations of South America and Africa would most support the hypothesis about the connection between the two continents.

Step-by-step explanation:

The discovery that would most support the hypothesis about South America and Africa is (d) Genetic studies reveal close similarities between the populations of South America and Africa. This discovery would suggest that there is a close genetic relationship between the populations of South America and Africa, which could be explained by their historical connection and the theory of continental drift.