Q49
What does an alluvial fan form from?
A.
Coastal wave action
B.
Deposition by glacial meltwater
C.
Sediment deposition at base of mountains
AnswerD.
Sand dune migration
Answer: Option C
Solution
Answer: Option C
Solution:
An alluvial fan forms where a stream flows out of a mountainous area onto a plain, losing energy and depositing coarse sediments in a fan shape.