Question

describe about coral origin​

Answer 1

Answer:

Coral reefs are found in the deep sea away from continental shelves, around oceanic islands and atolls. The majority of these islands are volcanic in origin. ... A fringing reef forms around an extinct volcanic island as the island and ocean floor subsides.

Explanation:

Answer 2

Explanation:

A coral island is a type of island formed from coral detritus and associated organic material. They occur in tropical and sub-tropical areas, typically as part of coral reefs which have grown to cover a far larger area under the sea.

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