Question

mayan cultural achievements
developed the concept of zero
made accurate charts of the moon and planets
which of the following completes the chart?
a. used terraced fields to grow crops on mountain sides
b. built a network of paved roads for travel and trade
c. used a highly accurate calendar based on 365 days
d. developed medicine to relieve pain from cocoa leaves

Explanation:

The Mayans are known for their advanced astronomical and mathematical knowledge. Their highly - accurate 365 - day calendar is a significant cultural achievement related to their understanding of celestial cycles, similar to the other listed achievements in the chart. Option A is more related to agricultural techniques, option B is about infrastructure for travel and trade, and option D is about medical development from cocoa leaves, which are not as directly related to the astronomical and mathematical theme of the chart as the calendar.

Answer:

C. used a highly accurate calendar based on 365 days