A major perturbation of the carbon cycle by human activity is associated with A) release of carbon from carbonate rocks. B) release of carbon from fossil fuel deposits. C) removal of carbon from the atmosphere in the industrial production of fertilizers. D) accelerated removal of carbon from the atmosphere by forests. E) respiratory production of CO₂ by the large human population.

Question

Quizplus · Accepted Answer

The burning of fossil fuels releases carbon that has been sequestered for millions of years back into the atmosphere. This increases the amount of carbon in the atmosphere and contributes to the greenhouse effect and climate change.

A Major Perturbation of the Carbon Cycle by Human Activity