Multiple choice

Which of the following is a continuous barrier reef extending around a lagoon?

  1. Apron reef

  2. Patch reef

  3. Barrier reef

  4. Atoll reef

  5. Fringing reef
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Atoll reef is a  more or less circular or continuous barrier reef extending all the way around a lagoon without a central island.

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