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Reef
1. A strip or ridge of rocks, sand, or coral that rises to or near the surface
of a body of water. An atoll is a ring reef with no land present.
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| Shown is reefs around an island |
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Reef
1. A strip or ridge of rocks, sand, or coral that rises to or near the surface
of a body of water. An atoll is a ring reef with no land present.
|
| Shown is reefs around an island |