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Which statement best describes a human influence on the biogeochemical cycles?
A increased eutrophication caused by high levels of nitrogen and phosphorous
B increased nitrates available due to inaccurate methods of denitrification
C increased global warming due to alternative energy sources
D increased amount of water that is available to freshwater ecosystems
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Which statement best describes a human influence on the biogeochemical cycles?
A increased eutrophi...
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