Mary Macmillan, a 21 year old female from the Internet asks on February 17, 1998,How and when did the Great Barrier reef develop? Is it still developing today?
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The Great Barrier Reef is one of the seven natural wonders of the world. It began about 30 million years ago and it was started by coral colonies. As far as I can tell, it's still growing! For more information about this and other coral reefs, go to the University of Queensland's Reef Education Network.
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