| Rivier | % Correct |
|---|---|
| Nijl | 96%
|
| Amazone | 93%
|
| Mississippi | 86%
|
| Congo | 54%
|
| Niger | 46%
|
| Gele rivier | 41%
|
| Mekong | 40%
|
| Missouri | 36%
|
| Ob | 31%
|
| Lena | 29%
|
| Yangtze | 23%
|
| Jenisej | 18%
|
| Parana | 15%
|
| Mackenzie | 14%
|
| Amoer | 10%
|