Answer:
Your answer is D) Portugal
Explanation:
According to the internet, there are 19 EU member countries which have adopted the euro as their sole currency, and Portugal is one of them.
C, Just about 6500 languages are spoken through out the world in modern day society.
Physical geography is the study of the atmosphere, hydrosphere, biosphere, and geosphere, and the patterns of these areas.
Mountains are the physical feature that have separated ethnic groups from each other in the Balkans.