Which statement best describes how the Inca developed and improved methods of agriculture? They planted crops that needed little water to grow. They used llamas to carry water to areas with little rainfall. They made terraces in the mountains to create more farmable land. They brought soil from the Amazon Rainforest to make their farmland richer.

Option: They made terraces in the mountains to create more farmable land.

Explanation:

The Inca civilization was a pre- Columbian Empire located in the southern part of Peru. They became known for their political,  administration, architecture, and military. They adapted terrace farming according to their geographical condition. Terrace farming helped Incas in growing crops on sides of mountains by planting on in the slope. In terraces farming, carved steps of land are cut, which was suitable for irrigation, prevents drought and the erosion of soil.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

i really do want to but i just don't know it i'm so sorry : (