Answer:
C. Money from one country is bought using money from another
Explanation:
A currency exchange is seen as a type of business that has the right to exchange one currency for another to its customers or between two or.more different countries. Although the right to exchange this currency are often legal.
Therefore doing CURRENCY EXCHANGE the exchange rate is often how much of a country's currency have to buys another foreign currency which is why for some countries, exchange rates tend to constantly change while some countries tend to use a fixed exchange rate which does not often change .
Hence CURRENCY EXCHANGE enables money from one country to be bought using money from another.