Asia
Several South American countries claim portions of Antarctica, but no country controls the continent, including other countries in the world that also claim portions of Antarctica.
Antarctica is the only continent that does not have any countries. It is primarily governed by the Antarctic Treaty System, which designates it as a scientific preserve with no permanent human population.
No because there is no such country or government as "Africa".Africa is a continent. Inside the continent are several countries.
Countries are smaller than continents. Continents contain several countries.
Bolivia is a country within a continent. The continent is South America. There are several other countries in South America.
Yes, diamonds are a significant export from several countries on the African continent, and are imported into other countries.
If you exclude Antarctica (which has no permanent inhabitants), then there are several religions that have followers on every continent, including Christianity, Islam, Judaism, and Buddhism, and probably several others.
There is no capital of Europe. Europe is not a country - it's a continent, which is composed of several countries, and each of these countries has its own capital.
Being spread over three countries on the African continent, the Tutsi have been known to speak several languages including Kinyarwanda, Kirundi, French and English.
South America is a continent. There are several Countries in South America.
Africa is a continent with several dozen countries. Some of those countries, including Zimbabwe, have a currency called 'Dollar', which is separate and distinct from the US Dollar. To get an actual answer, you would have to ask - "who appears on the {Year} {NameOfCountry} $100 note".