Human-Induced Modifications of the Nitrogen Cycle Can Result in

question 13

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.

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