Multiple Choice
Which of the following is not considered a theory of the origin of barrier islands?
A) Barrier islands are sand deposits derived from beaches and deposited seaward by backwash.
B) Barrier islands are elongated spits that have been separated from the mainland.
C) Barrier islands are sand deposits derived from the continental shelves and deposited by waves.
D) Barrier islands are remnant sand dunes that existed when the sea level was lower.
Correct Answer:

Verified
Correct Answer:
Verified
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