Answer:
Hypothesis : Once all continents had been joined to form a single supercontinent.
Three criteria used to support it.
Matching Fossils - Remains of Mesosaurus are limited to eastern South America and southern Africa.
Ancient Climates - Land areas that show evidence of ancient glaciation are now located near the equator.
Continental Puzzle - The Atlantic coastlines of South America and Africa fit together.
Step-by-step explanation: