A Major Perturbation of the Carbon Cycle by Human Activity

question 15

Multiple Choice

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.