Question

One of the negative consequences of the Inca irrigation system is that the old canals are causing What? Erosion, Flooding, Water pollution or Excessive runoff

Answer 1

erosion.

Step-by-step explanation:

The Inca irrigation system has been abandoned for many hundreds of years. Although parts of the system are being fixed, most of the irrigation canals are in disrepair. As the stones that line the old canals are carried away by water, erosion in the area is made worse.