Which statement best describes a human influence on the biogeochemical cycles?
Aincreased eutrophication caused by high levels of nitrogen and phosphorous
Bincreased nitrates available due to inaccurate methods of denitrification
Cincreased global warming due to alternative energy sources
Dincreased amount of water that is available to freshwater ecosystems
Aincreased eutrophication caused by high levels of nitrogen and phosphorous
Bincreased nitrates available due to inaccurate methods of denitrification
Cincreased global warming due to alternative energy sources
Dincreased amount of water that is available to freshwater ecosystems