Today, Armenia is located in the Western Asia, between Iran on the south, Azerbaijan on the east, Georgia on the north and Turkey on the West. Armenia was a former Soviet state and later on got their independence from Russia.
I think D, because it talks about prompting more people to migrate.
The Three Gorges Dam is located along the Yangtze River.
The answer is true (a) because if the life cycle suddenly doesn't work, this will have an impact on all other organsims
Great plains is the broad interior are of north america that used to be grasslands