because that is the way it is
Blue Nile or White Nile
The Blue Nile flows on the eastern side of the White Nile before merging with it to form the Nile River. All these rivers ultimately flow north.
Blue Nile and White Nile, which join at Khartoum in The Sudan.
The Nile River divides into two segments. The White Nile and the Blue Nile. Both rivers main source is the original Nile River. In case your wondering, the Nile River is on the East side of Africa.
The Blue Nile and the White Nile converge at Khartoum, Sudan.
Some major rivers in the continent of Africa:River Nile (most famous river in the world)Congo RiverZambezi RiverNiger RiverOrange RiverCongo RiverNyanga RiverMara RiverMoulouya RiverSee related links below for more.
As tributaries form to enlarge the river, distributaries form if there is a delta, but few rivers divide compared to those that only have smaller rivers contributing to them. No, they dont separate into separate watercourses.
If by "the khartoum" you mean Khartoum the city in Africa, it would be the White Nile and the Blue Nile. See if you can guess what river they merge to form (hint: it doesn't have a color in its name).
The Blue Nile and the White Nile merge in Sudan to form the Nile.
The River Nile flows through Cairo, Egypt.
The Blue Nile and White Nile merge near Khartoum, Sudan to form the Nile.
The blue and the white nile flow from diffrent parts of Africa and form the Nile River.