Population density is the number of people that live in a region, divided by a specific measurement such as square miles or square kilometers.
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Answer:
4 justices
Explanation:
In order or a writ of certiorari to be granted, four justices must agree to hear the case.
A writ of certiorari is a order by a high court to a lower court to submit its record in a case so that it can be reviewed.
Through checks and balances. All branches have equal power.