Respuesta :
Answer:
The Incas figured out a way to make an irrigation system for the crops (they dug irrigation systems to bring water from the mountain streams to the terraces). They also planted potatoes because they could grow in the mountainous regions.
Answer:
A.) Incas used terrace framing on the sides of hills and mountains.
Explanation:
The Incas had to create flat land to farm since they lived in the mountains. They did this by creating terraces. Terraces were carved steps of land in the mountainside. Not only did this genius way of farming help them grow crops, it was also great for irrigation and preventing drought.