Question

Which cultural advancement is the Olmec civilization known for?

an observatory
a number system
a system of writing
detailed metalwork

Answer 1

its c: a system of writing

Step-by-step explanation:

i just took the quiz and got it correct on edge 2020

Answer 2

i think it would be a system of writing.

Step-by-step explanation:

there writing system was a major break through for modern times.