29Climate Change Greenhouse GasesEasy1 markWhat is the equation for photosynthesis?ACO2 + 3H2 → CH3OH + H2OB6CO2 + 6H2O → C6H12O6 + 6O2CC6H12O6 → 2C2H5OH + CO2DC6H12O6 + 6O2 → 6CO2 + 6H2OGrade answerGrading criteria