Which moche idea did the inca use to communicate within their empire? a. networks of beacon fires to signal about threats b. codes written in hieroglyphics c. systems of relay runners to carry messages d. quipu to record important information

Answer

A quipu to record important information

Explanation

Quipu was a method which was used by ancient Andean cultures to keep records and for the purpose of communicating the information. It consisted of strings which were Knotted to represent various numbers. And it was used to record events and keeping records.