El límite entre dos cuencas se denomina como una separación de drenaje o límite de cuenca hidrográfica. Componentes de vertiente de drenaje.
Ukraine, 1986, the worst nuclear accident in history happened in Chernobyl. A nuclear power plant exploded after the manager didn't do use proper safety precautions on a test. The fire from the explosion wouldn't stop, and the first responding firefighters died of acute radiation poisoning. The town was evacuated, as it is today. Today, some people consider the area around Chernobyl a natural reserve, as wildlife is growing it the radioactive area.
Cutting down the trees! (Stop cutting them down)
And human presence disrupting the ecosystem (let the environment be)
The answer is Darling and Murray are the two rivers located in south central Australia.