Transantarctic Mountain Range
Ross Island
McMurdo Sound
A large area of flat land, that is at a high altitude is called a plateau. An excellent example of a plateau is Tibet.
Tectonic plate movement is run by convection of mantle currents.
Answer:
mongolia
Explanation:
Mongolia has very little arable land, which means historically they have not been able to grow enough crops to support a large population. Until the 20th century Mongolians were largely a herding people, and that just doesn't support dense populations.