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.
Answer:
1)
Opportunity Cost; when you make a choice, you lost the opportunity to choose other things
Explanation:
AS we know that natural resources are limited and we have to use these sources in proper well planned manner.Because natural sources are decreasing day by day due to more consumption.
Three principle of natural resources management are
1.Sovereignty
2.Scarcity
3.Efficiency
So the option option 1 is correct.
1)
Opportunity Cost; when you make a choice, you lost the opportunity to choose other things
True.
in 1960, 17 countries in Africa declared independence
