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Geological Engineering · Q57

Geomorphology and Surface Processes

Engineering and GATE · Geological Engineering · question 57

Q57

What is the main difference between an alluvial fan and a delta?

A.
Fan is underwater, delta is not
B.
Delta forms in the sea, fan on land
Answer
C.
Fan forms from glaciers, delta from rivers
D.
No difference

Answer: Option B

Solution

Answer: Option B
Solution:
Alluvial fans form on land at the base of mountains, while deltas form where rivers enter standing water like oceans or lakes.