The correct answer is D. They built canals to water crops
Explanation
Norte Chico civilization also is known as Caral, was an old Peruvian civilization located in the Supe Valley, that created irrigation channels to improve the agriculture, those channels transported the water to the culture, it was developed to irrigate the ground. On the other hand, the Moche was a Peruvian civilization located close to the Moche River, its major achievement was the irrigation channels that were used to improve the agriculture activity through water transportation with channels. As we see, both civilizations used the same method to cultivate in dry areas. So, the correct answer is D. They built canals to water crops.
