| Answer | % Correct |
|---|---|
| CONGO | 75%
|
| MISSISSIPPI | 71%
|
| AMAZON | 64%
|
| MISSOURI | 61%
|
| NILE | 61%
|
| YELLOW | 61%
|
| COLORADO | 57%
|
| YANGTZE | 57%
|
| VOLGA | 50%
|
| MACKENZIE | 43%
|
| RIO GRANDE | 39%
|
| YENISEI | 39%
|
| OB | 36%
|
| LENA | 32%
|
| PARANA | 32%
|
| BRAHMAPUTRA | 29%
|
| MURRAY | 25%
|
| IRRAWADDY | 21%
|