Question

fossils of the freshwater reptile mesosaurus, which lived from 300 to 250 million years ago, have been found only around the southern tip of south america (marked on the world map) and one other location. click on the other location on the world map that most likely contained mesosaurus fossils.

Explanation:

Mesosaurus fossils are evidence of continental drift. Given its freshwater - nature, the other likely location is near the southern tip of Africa as it was once connected to South America.

Answer:

The southern tip of Africa.