Final answer:
Water erosion can lead to the formation of canyons and valleys by gradually eroding the land surface.
Step-by-step explanation:
An effect of water erosion is the formation of landforms such as canyons and valleys. When water flows over land, it carries away soil and rock particles, gradually eroding the surface. Over time, this erosion can create deep channels and distinctive features in the landscape.
Learn more about Effect of water erosion