I believe it is the outer crust but i will do more reaserch for you :)
Mountains are formed by the movements of the tectonic plates and Earth's. Movements deep beneath the Earth's surface cause a variety of reactions, and the results in different types of mountains. Mountains can form as a result of the volcanic activity, the collision of 2 tectonic plates or a movement along a fault line.
hope this helps
1739 by Jean Baptiste Charles Bouvet De Lozier
Answer:
Reading that just hurts my head
Explanation:
Remains of Mesosaurus, a freshwater crocodile-like reptile that lived during the early are found solely in Southern Africa and Eastern South America. It would have been physiologically impossible for Mesosaurus to swim between the continents.