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Which statement best describes a human influence on the biogeochemical cycles?increased eutrophication caused by high levels of nitrogen and phosphorous

increased nitrates available due to inaccurate methods of denitrificationincreased global warming due to alternative energy sources

increased amount of water that is available to freshwater ecosystems

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The best statement would be increased eutrophication caused by high levels of nitrogen and phosphorous. Nitrogen and phosphorous are found in fertilizers. These fertilizers are used by farmers in croplands. Excess use of these might lead for the excess amounts to run off to water bodies which may cause eutrophication. Therefore, altering the nitrogen and phosphorous cycles.

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