Human-Induced Modifications of the Nitrogen Cycle Can Result in

Multiple Choice

Human-induced modifications of the nitrogen cycle can result in

A) eutrophication of adjacent wetlands.
B) decreased availability of fixed nitrogen to primary producers.
C) accumulation of toxic levels of N2 in groundwater.
D) extermination of nitrogen-fixing bacteria on agricultural lands.
E) deprivation of nitrogen to ecosystems adjacent to nitrogen application.