 |
| |||
| river A stream of water which flows in a channel from high ground to low ground and ultimately to a lake or the sea, except in a desert area where it may dwindle away to nothing. A river and all its tributaries within a single basin is termed a drainage system | |||
| abhainn: 4 do fraz, 4 tematyki |
| Nauki o życiu | 1 |
| Ochrona środowiska | 1 |
| Transport | 1 |
| Zasoby naturalne i ochrona dzikiej przyrody | 1 |