Figure 54.9
-Considering the global nitrogen cycle,how are humans altering this cycle?
A)industrial nitrogen fixation
B)nitrogen lost to the atmosphere
C)reduction of nitrogen available to terrestrial ecosystems
D)reduction of nitrogen fixation by bacteria
E)permanent burial of nitrogen in coastal environments through runoff

Question

Figure 54.9 
-Considering the global nitrogen cycle,how are humans altering this cycle?
A)industrial nitrogen fixation 
B)nitrogen lost to the atmosphere 
C)reduction of nitrogen available to terrestrial ecosystems 
D)reduction of nitrogen fixation by bacteria 
E)permanent burial of nitrogen in coastal environments through runoff

Quizplus · Accepted Answer

Humans alter the global nitrogen cycle primarily through industrial nitrogen fixation, which increases the amount of reactive nitrogen in the environment, often leading to pollution and ecosystem imbalances.

Figure 54.9 -Considering the Global Nitrogen Cycle,how Are Humans Altering This Cycle