Give you an example of an atoll?

Answer 1

An atoll is formed first as a reef that fringes a volcanic island.

As the island sinks (after the volcanic activity has ceased and the crust has cooled, becoming denser), the reef continues to build upward, eventually ending up as a ring-shaped structure.

Answer 2

An island of coral that encircles a lagoon partly or completely.

Answer 3

An island consisting of a circular coral reef surrounding a lagoon

Answer 4

An atoll is an island formed by a ring-shaped coral reef encircling a lagoon. Atoll's are mostly found in tropical waters because they require coral reef building.

Answer 5

Small clusters of islands, generally they have little elevation above sea-level.

Answer 6

An example of an atoll is Bikini Atoll

Answer 7

bikini atoll

Answer 8

coral

Answer 9

mob