7. Incan Aqueducts like the one above helped provide fresh water and irrigation for agriculture to Incan settlements. What geographical challenges did the aqueducts help the Inca overcome? A. Provided water when it was scarce in the mountains and a route for flooding after snow melts. B. Provided water when it was scarce in the deserts and a route for annual river flooding. C. Provided a necessary source of clean water due to contaminated water springs in the Andes. D. Provided a way for farmers to drain the wetlands so that settlements were able to be built.