6. The deepest lake of the US is a) Lake Ontario b) Crater Lake, Oregon c) Lake Michigan 7. The smallest state is a)

6. The deepest lake of the US is - b) Crater Lake.

7. The smallest state is - c) Rhode Island.

8. The highest waterfall is - b) Yosemite Falls.

9. There are on the American flag - a) 50 (stars).

10. The thirteen stripes of the American flag stand for - b) 13 colonies.

11. Thomas Edison is famous for - b) electric light bulb.