All rivers have a source which id the beginning of the river
a lake make it pass water and rain
I think dirty water
The Columbia River lies between the States of Washington and Oregon, and forms the border between the two.
Tributaries do not make a river, a tributary is a stream that flows into a larger stream of river or any other body of water
the water from the nile isn't salt water
No less then 15 major river systems combine to make up the Colorado River plus hundreds of small streams and creeks.
some forms of energy that can make electricity are but not limited to Water, Wind and Solar power ...
Himalayas fed the Indus River from its runoffs.
save some water in case the water runs out or don't throw garbage on the river, it will make the river dirty
they drink the water
water was transported from you and me. To make a big mountainj. Narnia
to make a v shaped valley water eats away at the river beds and sides this is called erosion this keeps happening untill it become a v shape.