ANSWERS

1. Isis

2. Jordan

3. Raises the water level (It's a wall built across a river)

4. Victoria Falls

5. World War II (British ships pursued a German battleship to Uruguay)

6. Gold

7. Pothole (as well as being one in a cave, or unwanted one in the road!)

8. Blue Nile and White Nile

9. Klosters

10. National Rivers Authority