Answer:
In photosynthesis, CO2 (carbon dioxide) is a reactant, along with water and sunlight make glucose.
in cellular respiration CO2 is a product in the reaction C6H12O6 + 6O2 --> 6CO2 + 6H2O
Combustion reactions normally burn and the products are carbon dioxide and water
decomposition reactions occur when carbonic acid breaks down to produce CO2 and H20
Explanation:
