Macquarie River.
Margaret River.
Victoria River.
Wollondilly River.
Yarra River.
Mackenzie River Drysdale River.
Finke River.
Daly River.
I put more than five just in case. :)
It's becasue human populations are concentrated in areas that are lacking proper resources.
Answer:
They are shorter and not as long. Also they are in the west while the rocky mountains are in the east
Explanation: