Which of the following represents the most significant anthropogenic modification to the nitrogen cycle?
A) industrial fixation of nitrogen to produce fertilizer
B) release of nitrogen dioxide as a waste emission from burning coal
C) production of nitrogen monoxide by car engines
D) nitrogen fixation by bacteria associated with agricultural crops such as peas
Correct Answer:
Verified
Q6: Although not directly toxic to living organisms,
Q7: When nitrogen is added to nitrogen-poor aquatic
Q8: The organisms responsible for most of the
Q9: Humans are particularly adept at water transformation;
Q10: Humans now use approximately 30-35 percent of
Q12: Changes to the physical and biotic features
Q13: Land and water transformations have many unintended
Q14: Ample evidence now exists to show that
Q15: Intentionally supplementing nitrogen into a monoculture like
Q16: About _ percent of the human population
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents