Question

An alluvial fan may form where a stream flows out of a narrow mountain valley, slows down, and deposits sediment.

a. True
b. False

Answer 1

Answer: The answer is true plz let me know if you got it correct!

Step-by-step explanation:

Answer 2

True. These alluvial fans happen commonly in mountainous terrains that eventually lead to flatter plains where water from the stream flows causing the deposits of sediments. Overtime these fans grow and they are called bajada or compound alluvial fans.