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Q. |
Atoll is a kind of – |
A. | sand-dune |
B. | lake |
C. | sandbar |
D. | inland sea |
Answer» D. inland sea | |
Explanation: Atoll is a coral island (or islands) that encircle a lagoon partially or completely. It is formed when the island sinks below the sea, and the barrier reef becomes an atoll enclosing an open lagoon. So in a way it is a kind of inland sea which is a shallow sea that covers central areas of continents during periods of high sea level. |
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