Correct answer choices are :
B) The use of a calendar and a number system
D) The construction of monumental pyramid-shaped temples
F) The worship of the same sun god
Explanation:
The Aztecs and Mayans were two Mesoamerican civilizations that had much in common. Both civilizations followed 365-day calendars with similar signings and day/month figures. They also both praised a pantheon of gods during religious ceremonies, some of which included human sacrifice.