What are formed by flowing rivers through erosion over long periods of time?
deserts a hydraulic system deep valleys pyramids Calcium carbonate patch reefs buildings Sediment
A B C D E F G H
Deep canyons and valleys are carved out.
deep valleys 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) deserts (B) a hydraulic system (C) deep valleys (D) pyramids (E) Calcium carbonate (F) patch reefs (G) buildings (H) Sediment