Explain the significance of the difference between central /south america and north america.

Why did the paris peace conference negotiations last over a year?

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

Debris tossed into the atmosphere by a meteorite impact can cause greenhouse warming true false