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.
Answer: adjacent to the rivers
Answer:
B. Data gives different results when tested at different periods of time.
Explanation:
I think this is the right answer but if I'm wrong than I'm sorry. Your wording was confusing. Hope this help! :)