Tributaries.
Tributaries
A tributary
They join together; Many small streams becomes on big one and the big ones lead to the river
Feather River College's motto is 'Small school, Big Education'.
Rio Grande
why are you
It Joins at a confluence. That is where the river joins the larger one.
they called the Atlantic ocean the big water.they called the Mississippi the father of waters.
They are called characatures
I'm guessing that the White Nile is called the big long river because it is the longest out of the other one, the Blue Nile. However, the Blue Nile provides roughly 2/3 of the Nile's water supply.
the small one is called tabala and the big one is called dhaga
It's commonly called an 'ox-bow'
the biggest is the nile river in Africa Egypt