Which of the following countries are located on border of the Caspian Sea?

1. Russia

2. Kazakhstan

3. Georgia

4. Uzbekistan

5. Turkmenistan

6. Iran

7. Azerbaijan

a. 1,3,4,5

b. 1,2,5,6,7

c. 1,3,4,5,7

d. All

ANSWER: 1,2,5,6,7

Explanation:

The Caspian Sea is bordered on the northwest by Russia, on the northeast by Kazakhstan, on the west by Azerbaijan, on the southeast by Turkmenistan, and on the south by Iran.