Lava, groundwater, sometimes minerals that have been melted and which flow into crevices. Depends on where and how far underground.
Yes
Yes
Most rivers end when they flow into a lake or the sea, but not all do. Some (very few) flow into into a "dry area" and all the water evaporates and/or disappears into underground aquifers before it can "collect" to form a lake.
Rivers flow down.
a natural flow of water from underground
Small streams flow into rivers and the rivers flow to bigger rivers.
In huge underground lakes and rivers. Also, underground the Earth.
Where the Rivers Flow North was created in 1978.
oklahoma's rivers flow south-east
No. In the mountains, gravity makes the rivers flow faster. Lowland rivers are slower than mountain rivers.
All of the rivers in Siberia tend to flow north. These rivers flow north as they being pulled to drain into the Arctic Ocean.
Gomati, khowati, manu, haora and muhuri rivers flow from tripura
God Makes the Rivers to Flow was created in 1982.