Which two developments are characteristics of ancient Egyptian civilization

Hieroglyphic script and papyrus

Explanation:

Hieroglyphic script was a system invented by the ancient Egyptians. It was used from predynastic times to the fourth century. It is characterized by the use of signs.

The papyrus is made from Cyperus papyrus, an aquatic herb, this was first used in ancient Egypt, it was very abundant in the Nile River. Its main use was the elaboration of ancient manuscripts.

I do not see the question. If you put it down in the next 3 mins I will be able to answer.