The Nile river flooded each year.
Every time it flooded it crated silt.
Cataract were to strog people to cross.
The delta was at the end of the Nile in lower Egypt
The Nile is the longest river in the world.
The Nile rushed through rocky hilly land south of Egypt.
It is hot not meny plants.
These Rapids made sailing that porten of the Nile River