| río | % Correcto |
|---|---|
| Amazonas | 98%
|
| Nilo | 94%
|
| Misisipi | 85%
|
| Congo | 69%
|
| Amarillo | 59%
|
| Níger | 54%
|
| Misuri | 53%
|
| Paraná | 53%
|
| Mekong | 49%
|
| Yangtsé | 38%
|
| Obi | 33%
|
| Mackenzie | 29%
|
| Lena | 27%
|
| Amur | 26%
|
| Yeniséi | 25%
|