Which statement about indoor air pollution in the United States is false?
A. Levels of several common air pollutants are 2-5 times higher in inside U.S. homes than outside.
B. Pollution levels inside cars in urban areas are up to 18 times higher than outside.
C. Health risks are magnified because 70% or more of our time is spent in cars or homes.
D. Exposure to outdoor air pollution presents a higher cancer risk than with indoor air pollution.
E. Pesticides and lead accumulate in carpet and on furniture in homes.
Answer: D
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