human
Question: Overuse of soil for farming causes local disruptions of several Earth subsystems. Which of these is a part of the biogeochemical cycle that experiences the most severe local disruption?

Choices:
A) release of carbon into the atmosphere
B) release of oxygen into the atmosphere
C) cycling phosphorus into the soil
D) cycling hydrogen into the soil
gpt
The correct answer is 2: cycling phosphorus into the soil.