Khadins, Bundhis, Ahars and Kattas are ancient structures that are examples for
Water harvesting
The correct option C:
Explanation of the correct option:
Explanation of Incorrect option:
Option A:
Granaries are ancient structures intended to store excess grains for later use.
Option B
Wood wasn't always stored in designated storage areas.
Option D:
Bundhis, Khadins, Kattas and Ahars did nothing to aid the soil. They helped to collect rainfall and store it for later use.
Final answer: Khadins, Bundhis, Kattas and Ahars are ancient structures that are examples of water harvesting.