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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 denitrification
increased global warming due to alternative energy sources
increased amount of water that is available to freshwater ecosystems

Respuesta :

Erudite1
The correct option is: INCREASED EUTROPHICATION CAUSED BY HIGH LEVELS OF NITROGEN AND PHOSPHORUS. 
Eutrophication refers to the excessive richness of a body of water as a result of run offs from the land. This caused the body of the water to be densely populated by plants thus causing structural changes to the ecosystem of the water.

Answer:

A. increased eutrophication caused by high levels of nitrogen and phosphorous

Explanation:

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