Grouping of Coral Islands?

Answer

A coral island is an island which forms when the lagoon in an atoll dries up or becomes filled in with coral sand and detritus. Most of the coral islands are located in the Pacific Ocean and some of the islands have even been designated as National Monuments.
Q&A Related to "Grouping of Coral Islands?"
One of Darwin's first theories explained this. Subsidence. The coral island forms around an actual island which, over time, subsides beneath the waves and leaves the coral ring lagoon
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An Atoll is A ringlike coral island and reef that nearly or entirely encloses a
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7.9/10
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The Coral Island is a novel written by Scottish juvenile fiction author R.M. Ballantyne. It was voted as one of the top twenty Scottish novels in the 2006 15th International World
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