________ is a long stone or concrete structure used to create a permanent opening for a channel by reinforcing both sides of the passageway.
A) A jetty
B) A groin
C) A sea wall
D) An ocean barrier
E) none of these

Question

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The Answer of ________ is a long stone or concrete structure used to create a permanent opening for a channel by reinforcing both sides of the passageway.
A) A jetty
B) A groin
C) A sea wall
D) An ocean barrier
E) none of these

________ Is a Long Stone or Concrete Structure Used to Create