Which of the following is NOT an example of a reduced form of carbon in the carbon cycle?
A) methane
B) biomass
C) hydrocarbons
D) carbon dioxide
E) methanol

Question

Quizplus · Accepted Answer

Carbon dioxide is considered an oxidized form of carbon, not a reduced form. Methane, biomass, hydrocarbons, and methanol all contain carbon in a more reduced state, where it is bonded to hydrogen or itself, rather than being fully oxidized as in CO2.

Which of the Following Is NOT an Example of a Reduced