Which of the best explains one of the ways in which Inca used astronomy to manipulate their environment?

Responses

The Inca used astronomy to divide terraced farms in the Andes Mountains.
The Inca used astronomy to divide terraced farms in the Andes Mountains. - incorrect

The Inca used astronomy to plan the stone structures and plazas of Machu Picchu.
The Inca used astronomy to plan the stone structures and plazas of Machu Picchu. - not selected, this is the correct answer

The Inca used astronomy to help them keep records.
The Inca used astronomy to help them keep records. - no response given

The Inca used astronomy to enforce mandatory labor requirements.
The Inca used astronomy to enforce mandatory labor requirements. - no response given
Score

1