The Great Barrier Reef

A coral reef is a natural barrier made of the bodies of living and dead coral. It is normally just below the surface of the water. The Great Barrier Reef is along the coast of Australia. It is made up of coral and algae. Coral are tiny invertebrate animals. The Great Barrier Reef is 1250 miles long. There is a channel of water that separates the reef from the Queensland coast. It is the largest deposit of coral in the world. It is also the world's largest living structure. Many beautiful creatures live in the reef. People who live in or visit Australia enjoy diving along the reef.

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