Question

Where does the water in rivers come from? What causes rivers to flow?

Answer 1

A stream, or a river, is formed whenever water moves downhill from one place to another. It keeps collecting water from rain or by running into other water sources and that's how i keeps flowing.

Answer 2

Hey there,

Water in rivets come from runoffs or when water moves downhill. Rivers flow from downhill from rain or other water sources.

Hope I helped :)