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A beach berm is

  • A.a channel cut right through the beach by land drainage
  • B.a nearly horizontal terrace formed by wave deposition
  • C.a submerged sand bar in the surf zone
  • D.a steep cliff at the landward margin

Answer: B

It is built by the uprush depositing sediment at the limit of its reach. Storm waves cut it back and swell conditions rebuild it over the following weeks or months. The berm crest marks the reach of the ordinary uprush.

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