Multiple Choice
Swash and backwash describe ________.
A) the oscillatory movement of water beneath a passing wave
B) the swirling action and sand movements produced when a shallow water wave impinges on an shallow offshore bar
C) the onshore and offshore movement of water relative to the beach by turbulent surf
D) the forward and backward water movements as storm waves reflect from a seawall or groin
Correct Answer:

Verified
Correct Answer:
Verified
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