The Rio Grande and other rivers dry up before reaching the sea because humans take so much water from them. Some rivers may also dry up naturally, or drain into a salt lake with no ocean connection.
Tributaries
a delta
The Arctic Ocean
the Atlantic ocean
Small streams flow into rivers and the rivers flow to bigger 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.
Pacife
Wind!
your mama's river
the ones that are in America
Atlantic Ocean