Discussion :: Hydrosphere
- What is coral island?
Answer : Option D
Explanation :
Coral islands are formed by the growing corals in shallow sea water with gentle temperatures. These are mostly found in tropical and sub-tropical zones. New corals develop on pre-existing corals which leads to formation of islands. Corals are living beings and are rich in calcium. Coral island, tropical island built of organic material derived from skeletons of corals and numerous other animals and plants associated with corals.
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