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Question : The ______ are the low islands in the tropical oceans consisting of coral reefs surrounding a central depression.

Option 1: trenches

Option 2: atolls

Option 3: seamounts

Option 4: guyots


Team Careers360 11th Jan, 2024
Answer (1)
Team Careers360 24th Jan, 2024

Correct Answer: atolls


Solution : The correct answer is atolls.

An atoll is a lagoon partially surrounded by a chain of coral rims or a ring-shaped coral reef. An island's rim of atolls and lagoons protects the centre of the island. The atoll's corals are situated atop the rim of an extinct volcano known as a seamount, which has eroded into the ocean.

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