Answer:
The Mayans used an advanced form of writing called hieroglyphics and they developed one of the most advanced systems of writing and numbers. They developed a system of math to help them create accurate time measurements. Mayans developed the science of astronomy, and calendar systems. The Mayans used a complex system of calendars to track religious ceremonies and time. They also built structures without metal tools like pyramids, temples, palaces, and observatories. They used stone tools only to make blocks and burnt-lime cement was used to create a form of concrete, which was sometimes used as mortar or simple mud.
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