| Fluss | % Korrekt |
|---|---|
| Nil | 99%
|
| Amazonas | 97%
|
| Mississippi | 90%
|
| Kongo | 75%
|
| Niger | 70%
|
| Missouri | 60%
|
| Lena | 55%
|
| Mekong | 55%
|
| Gelbe | 54%
|
| Jangtsekiang | 52%
|
| Ob | 48%
|
| Amur | 35%
|
| Jenissei | 24%
|
| Paraná | 22%
|
| Mackenzie | 20%
|