C, scale or the ratio on the distance on the map to distance on the literal space
I would have to say it is most likely B
If not it should be C
Azerbaijan's main source of wealth is it's mineral industry.
Educated people don't need to be in Iran. Iran doesn't provide colleges or any type of higher education that awards degrees. Iran is also a dangerous place, especially for women, seeing as you have gangs or terrorist groups such as The Taliban or Isis.