Why was anicent Egypt ruled by 31 diffrent dynasties

People got overthrown

Explanation:

People got overthrown, so they can lose their throne. Also , sometimes there were no heirs left to rule.

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.

answer; ha,ha,ha, corn on the cop;