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The _______ is the largest coral reef system in the world.
- Belize Barrier Reef
- Red Sea Coral Reef
- Great Barrier Reef
- New Caledonia Barrier Reef
Answer: Great Barrier Reef
The Great Barrier Reef, located off the coast of Queensland, Australia, is the world's largest coral reef system. It stretches over 2,300 km and comprises over 2,900 individual reefs. It is a UNESCO World Heritage Site and home to diverse marine life.