| Odpowiedź | % Poprawnych |
|---|---|
| Bug | 88%
|
| Biebrza | 77%
|
| Dunajec | 63%
|
| Brda | 62%
|
| Drwęca | 61%
|
| Odra | 50%
|
| Wisła | 48%
|
| Noteć | 46%
|
| Nysa Kłodzka | 42%
|
| Nysa Łużycka | 41%
|
| San | 40%
|
| Pilica | 38%
|
| Wisłok | 38%
|
| Kaczawa | 30%
|
| Wierzyca | 26%
|
| Nida | 25%
|
| Prosna | 23%
|
| Przemsza | 21%
|
| Ina | 20%
|
| Kwisa | 17%
|