Final answer:
Waru waru are elevated agricultural fields utilized by indigenous Andean people to enhance agricultural output.
Explanation:
Waru waru refers to raised agricultural fields used by indigenous people in the Andes to increase agricultural productivity. They were elevated platforms with canals that helped manage water efficiently. The other options listed are not directly related to elevated agricultural fields.
Learn more about Andean agriculture here:
https://brainly.com/question/42854837
