Who or what determines if an area is a country

According to the united nations refugee agency, more than 2/3 of the world's refugees come from just five countries. which country is not on that list? a) turkey b) myanmar c) afghanistan d) south sudan

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

The capital of australia was located a. on a south-facing harbor d. between its two largest cities g. near the great barrier reef j. close to asia