Which of the best explains one of the ways in which Inca used astronomy to manipulate their environment?(1 point)
Responses
a. The Inca used astronomy to divide terraced farms in the Andes Mountains.
b. The Inca used astronomy to plan the stone structures and plazas of Machu Picchu.
c. The Inca used astronomy to enforce mandatory labor requirements.
d. The Inca used astronomy to help them keep records.