The White Nile
The Nile River is in Africa. It is considered the longest river in the world being 4,258 miles long. The Nile River is divided into two main branches, the White Nile and the Blue Nile.
The smaller stream is a tributary of a larger stream, river or lake.
Other streams or lakes that joins a main river is a tributary
The Langani river is a tributary to the Kafue river.
Creek
The join of a small river (a tributary) joins a larger river (the main river) is called a confluence.
A tributary, it contributes to the flow of the main river. kool-Aid grape slurpy
It is called a tributary
The Nile River is located on the continent of Africa and consists of two main branches (the White Nile and the Blue Nile), these merge and become one river known simply as the Nile River. The White Nile is the source of most of the Nile's water and fertile soil. The Blue Nile is the longer of the two rivers.
A tributary.
A Tributary
A tributary contributes its water to the main river. For example Mandakini is the tributary of Alak Nanda river in greater Himalayas. Alak Nanda and Bhagirathi are two main rivers of the mighty river Ganges of India.