Eco-News: Monday
Posted on July 14, 2008
Our oceans are dying. Build-ups of nitrogen and phosphorus are creating dead zones. Burning fossil fuels and agriculture are to blame. Anne Minard of National Geographic News reports:Dead zones occur when excess nutrients usually nitrogen and phosphorus from agriculture or the burning of fossil fuels seep into the water system and fertilize blooms of algae along the coast.As the microscopic plants die and sink to the ocean floor, they feed bacteria, which consume dissolved oxygen from surrounding waters. This limits oxygen availability for bottom-dwelling organisms and the fish t...
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calcium , cancer , diet , fats , nutrients , osteoporosis , vitamin b12 , vitamin c , vitamin d default explanation




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