Worry Underwater: Oxygen Levels Drop as Oil Continues to Flow

Evidence of marine biologists' doomsday scenario thrashes in the Gulf waters as sharks crowd into shallow waters. Marine biologists say the sea animals flee the spill zone the way others would flee a forest fire. With thousands of gallons of oil contaminating their natural habitats, marine creatures press into oil-free waters. "Their habitat is shrinking, tens of thousands of square miles are affected, and animals moving away from them," said Mobi Salangi, director of the Institute for...Full Story
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