Answer: A writeing system, The number 0, and a calender system
Explanation:
The Mayans developed their own writing system known as hieroglyphics. "They developed a written language of hieroglyphs and invented the mathematical concept of zero." according to The Maya: Living Maya Time. It also states that " the Maya developed a complex and accurate calendar system."
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Answer:
a calendar based on a solar year of 365 days
Explanation:
edge 2020-21
