A coral reef is composed mainly of this mainly of this mineral: a. calcium silicate b. calcium carbonate c. quartz d. sodium chloride
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A coral reef is made of thin layers of calcium carbonate
Coral polyps form a living mat over a calcium carbonate skeleton. Stony corals (or scleractinians) are the corals primarily responsible for laying the foundations of, and building up, reef structures
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Calcium carbonate
Explanation:
A Coral reef is made up of thin layers of calcium carbonate.
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