What are formed by flowing rivers through erosion over long periods of time.
streams soft soil patch reefs flooding Sediment seas deep gorges wildfires
A B C D E F G H
Smithfield Canyon, a deep gorge through the mountains, dominates the view to the west.
Most deep gorges are formed by flowing rivers through erosion over long periods of time.
What are formed by flowing rivers through erosion over long periods of time. (A) streams (B) soft soil (C) patch reefs (D) flooding (E) Sediment (F) seas (G) deep gorges (H) wildfires