A tributary.
i think it is small and then again large
tributary
carthageth
Tributary.
It is called a tributary
A Tributary
Small river.
Peru is a small country that the river Amazon flows through.
It is not. It is the other way round, a stream or smaller river flowing into a larger one.
a lake ? It is a tributary
in a river, stream, lake, or ocean
Because the pieces of rock are eroded a it passes down to the bottom of the river.