In a white dwarf, gravitational collapse is prevented by electron degeneracy pressure. this is a result of the pauli exclusion principle, which basically states that two electrons cannot occupy the same orbital/energy level at the same time.
The person on top got the correct answer I think
The Andes or Andean mountains are the longest continental mountain range in the world and they extend from north to south through seven South American countries.
I believe your answer to be limestone, good sir.
