Question

Which cultural advancement is the Olmec civilization known for?

an observatory
a number system
a system of writing
detailed metalwork

Answer 1

Answer:

i think it would be a system of writing.

Explanation:

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

Answer 2

Answer:

its c: a system of writing

Explanation:

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