When coal is burned, sulfur is released into the air, where it reacts with oxygen to produce sulfur dioxide and sulfur trioxide. Which of these is true of this process?
A. The identity of each reactant remains the same.
B. Sulfur dioxide and sulfur trioxide are the reactants in this change
C. products have different chemical properties than those of the reactants.
D. The products contain more sulfur atoms and fewer oxygen atoms than the reactants.
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