Which of the following statements best explains why sulfuric acid can be used to measure the health of the United States' economy?
A. Sulfuric acid is used exclusively in industry.
B. Sulfuric acid is a dangerous chemical.
C. About 40 million tons of sulfuric acid are produced annually.
D. Sulfuric acid can dehydrate compounds containing hydrogen and oxygen in a 2:1 ratio.
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