Swash and Backwash Describe ________

question 148

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

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