How is the use of fossil fuels detrimental to the overall balance of the carbon cycle? (Check all that apply)
(A) Humans are withdrawing fossil fuels from their reservoirs at a rate much faster than the natural rate.
(B) There are other organisms that depend on fossil fuels for survival.
(C) The burning of fossil fuels adds a lot of extra CO2 into the atmosphere.
(D) None of the above. It does actually affect the balance.