How were the Aztecs more advanced?
(3 reasons)

Explanation:

The Aztecs were very advanced scientific thinkers and mathematicians. The Aztec number system was far more advanced than other cultures at the time. Aztec astronomy was also an important component of their calendar, which reflected heavily on their gods. The Aztecs were also advanced in the development of medicine. Hope that helps and don't forget to friend me, okay?

answer; /// i believe that the correct answer is (d)the huang he river valley;