Question

1. what feature is typically formed by rivers through the process of erosion?

a. coastal cliffs
b. valleys
c. sand dunes
d. mountain peaks

Explanation:

• Option a: Coastal cliffs are formed by coastal erosion (waves), not river erosion.
• Option b: Rivers erode the land over time, carving out valleys. This is a key landform created by river erosion.
• Option c: Sand dunes are formed by wind deposition, not rivers.
• Option d: Mountain peaks are formed by tectonic activity (like plate collisions) or volcanic activity, not river erosion.

Answer:

b. Valleys