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.
A word which describes a depressed area of land that has been drained by a river is basin.
Answer:
Most countries are working to improve their HDI to match their IHDI.
Explanation: A country's IHDI should be worked on to match it stated HDI not the reverse.
