A few reasons:1 Because pen and pencil don't rub off easily 2 Because one alternative is made entirely from reeds that as far as I know grow only along the river Nile. Another is the skin of a young calf ( A baby cow) All I know on the subject
to be use as writing paper
as long as there is no writing on it, you can recycle paper. This helps the environment. when you are talking about writing a paper, no. you cannot use the same paper again and again.
For writing
paper is mainly used for writing
by looking them or by writing them somewhere on your paper.
A permanent marker
it was used for writing and keeping records
They used Papyrus
Writing paper is paper, which can be ruled or unruled, which is suitable for writing on with ink.
Well one meaning of the word "writing" is the act of inscribing words on paper. So the use of paper is highly likely.
trees and wooden posts
it was used for writing and keeping records