OA ocean winds blow consistently, providing a cooling effect
Volcanologist specialize in the study of Volcanos.
Seismologists specialize in the study of siesmic waves .
The Balkan nations are currently capitalist, not communist, so the first statement is correct. Further, they do have internal conflict, for example between the Bosniak and Serbian population in Bosnia. They also attract foreign investment.
So all the options are correct!
