The correct answers are A) wrote in a form of hieroglyphics and C) possessed advanced knowledge of astronomy and mathematics.
The statements that correctly describe the characteristics of Maya's civilization are the following: they wrote in a form of hieroglyphics and possessed advanced knowledge of astronomy and mathematics.
The Mayan Civilization was one of the most important civilizations in Mesoamerica. They inhabited the territories of the Yucatán peninsula in México and some parts of Belize and Guatemala. They were known to be good astronomers, built observatories, developed the concept of "zero," and study time, creating impressive calendars such as the one called "Tzolkin."