Multiple Choice
Use the following figure to answer the question.
Consider the global nitrogen cycle depicted in the figure. 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
Correct Answer:

Verified
Correct Answer:
Verified
Q24: Use the following figure to answer the
Q26: Which of the following locations are major
Q27: Owls eat rats, mice, shrews, and small
Q29: Why is terrestrial productivity higher in equatorial
Q30: Use the following figure to answer the
Q31: Use the following figure to answer the
Q32: What advantage would there be for an
Q48: Which of the following is an accurate
Q62: Which of the following has the greatest
Q79: Which of the following ecosystems would likely