Figure 53.8
-Considering the global nitrogen cycle, how are humans altering this cycle?
A) nitrogen lost to the atmosphere
B) industrial nitrogen fixation
C) reduction of nitrogen fixation by bacteria
D) reduction of nitrogen available to terrestrial ecosystems

Question

Figure 53.8
-Considering the global nitrogen cycle, how are humans altering this cycle?
A) nitrogen lost to the atmosphere 
B) industrial nitrogen fixation 
C) reduction of nitrogen fixation by bacteria 
D) reduction of nitrogen available to terrestrial ecosystems

Quizplus · Accepted Answer

Humans are altering the global nitrogen cycle primarily through industrial nitrogen fixation, which involves the production of synthetic fertilizers that add large amounts of reactive nitrogen to ecosystems.

Figure 53.8 -Considering the Global Nitrogen Cycle, How Are Humans Altering This