Which equation represents a process carried out by both plants and animals? A. 6C6H12O6 + 6O2 → 6CO2 + H2O B. C6H12O6 + 6O2 → 6CO2 + 6H2O C. 6CO2 + 6H2O → C6H12O6 + 6O2 D. CO2 + 12H2O → C6H12O6 + O2