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Question
A coral island in a central shallow lake is known as
A coral island in a central shallow lake is known as
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Solution
The correct option is C Atoll
Coral reefs are of three types fringing, barrier and atoll. In atoll, a ring like a reef occurs around a lagoon, enclosing a shallow lake. Corallite refers to the cup like the skeleton of a single coral polyp. The sedimentary deposits formed from the fossil remains of diatoms are known as diatomaceous earth. Thus, the correct answer is option B.
Coral reefs are of three types fringing, barrier and atoll. In atoll, a ring like a reef occurs around a lagoon, enclosing a shallow lake. Corallite refers to the cup like the skeleton of a single coral polyp. The sedimentary deposits formed from the fossil remains of diatoms are known as diatomaceous earth.
Thus, the correct answer is option B.
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