Why do scholars say the Wari were the original developers of terrace farming?(1 point)
Responses
a. They grew chicha, which was also used by the Inca.
b. The Wari used the quipu to count crops grown on terraces.
c. Their sites include canals, water tunnels, and irrigation canals for crops.
d. They used the Pikillaqta system to build terraces.