How many years at a time are members of the Senate elected for?

In a modern democracy all elected officials serve for a certain number of terms then must retire a high school sophomore and a senior citizen may vote at the polls together a united states senator votes on immigration law on behalf of your mother through indirect ballot all democracies have a two chamber system of representation united states citizens live in a direct democracy

Iwould be super appreciative if someone could me out here! discuss the the following question: how influential were the three philosophers? why? (the three philosophers are locke, hobbes, and montesquieu)

Which statement is not true about the study of geography? nvm do not answer !