A positive feedback is one in which the products of a process act to increase the rate at which the process operates. Which of the following would constitute a positive feedback in the carbon cycle?

Question

Quizplus · Accepted Answer

Increasing temperature causes an increase in rates of respiration, which releases more CO2 into the atmosphere. This additional CO2 can enhance the greenhouse effect, leading to further increases in temperature, thus creating a positive feedback loop in the carbon cycle.

A Positive Feedback Is One in Which the Products of a Process