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ay27274

Answer: The Maya Empire, centered in the tropical lowlands of what is now Guatemala, ... writing, calendar-making and mathematics, and left behind an astonishing amount of ... Most of the great stone cities of the Maya were abandoned by A.D. 900, ...

codywallace0014
The Maya developed a written language of hieroglyphs, invented the mathematical concept of zero, and developed a complex and accurate calendar system.

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