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Which is the world's largest coral atoll?
- Maldives
- Rangiroa
- Kiritimati
- Aldabra
Answer: Kiritimati
Kiritimati (Christmas Island) in Kiribati is the world's largest coral atoll by land area (388 sq km). Located in the central Pacific, it is a critical habitat for seabirds and marine life. The atoll is vulnerable to sea-level rise.