The action of creating a stone solar calendar was adopted from the Maya civilization by the Aztecs. The Maya civilization had a sophisticated understanding of astronomy and timekeeping, which they reflected in their creation of accurate and intricate calendars, including the famous Long Count calendar. When the Aztecs rose to power, they incorporated elements of Maya knowledge and culture, such as the stone solar calendar known as the Aztec Sun Stone or Calendar Stone. This massive carved stone disc served as both a calendar and a representation of Aztec cosmology, blending aspects of their own beliefs with those of the Maya.
Therefore, the correct answer to the question "Which action of the Aztec civilization was adopted from the Maya?" would be:
O creating a stone solar calendar
