The answer on the test I took said mass wasting was the right answer
<span>Erosion by rivers is a main valley-forming
process; other processes, such as movement of the earth's crust and
glaciers, also have an important part in some cases. The rate at which a
river deepens its valley depends on several factors.</span>
30 °C is around the average temperature during summer
Answer:
Please what is the question
