Which of the following is most responsible for perturbing the nitrogen cycle?
A) burning of fossil fuels
B) microbial nitrogen fixation
C) application of commercial fertilizer
D) assimilatory denitrification by plants
E) wastewater plant discharge into the environment

Question

Quizplus · Accepted Answer

The application of commercial fertilizer is most responsible for perturbing the nitrogen cycle, as it adds large amounts of nitrogen to the soil, often more than plants can absorb, leading to runoff and the disruption of natural nitrogen balances in ecosystems.

Which of the Following Is Most Responsible for Perturbing the Nitrogen