| Answer | % Correct |
|---|---|
| Amazon | 95%
|
| Ganges-Brahmaputra | 92%
|
| Yangtze | 92%
|
| Mississippi | 89%
|
| Mekong | 84%
|
| Indus | 79%
|
| Congo | 76%
|
| Ob | 68%
|
| Lena | 58%
|
| Zambezi | 58%
|
| Amur | 55%
|
| Rio do la Plata | 55%
|
| Saint Lawrence | 53%
|
| MacKenzie | 45%
|
| Columbia | 42%
|
| Pearl | 42%
|
| Orinoco | 39%
|
| Yenisei | 39%
|
| Ayeyarwady | 26%
|
| Salween | 18%
|
| Pechora | 3%
|