In the Reaction C₆H₁₂O₆ + 6 O₂ $\rightarrow$ 6 CO₂ + 6 H₂O,the 6 CO₂ Molecules Are Examples

In the reaction C₆H₁₂O₆ + 6 O₂ $\rightarrow$ 6 CO₂ + 6 H₂O,the 6 CO₂ molecules are examples of

A) substrates.
B) products.
C) enzymes.
D) reactants.