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Sunday, November 21, 2010

GEOGRAPHY

Artificial Reefs: Trash to Treasure 
Shipwrecks may have redeeming ecological value. The ships often become artificial reefs and habitats, providing shelter for the very creatures threatened by humanitys original intrusion. Red Sea researchers have found several shipwrecks have become thriving coral communities. These artificial reefs attract divers, easing human pressure on natural reefs.


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