Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-oceanography-e056b97a7469

What do groins, jetties, and breakwaters do to waves?

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  1. They stop all ocean currents completely
  2. They increase the salt content of seawater
  3. They change wave reflection and refraction patterns

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References

  1. Scouting America: Oceanography www.scouting.org/merit-badges/oceanography Checked 2026-11-07.

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