Environmental
Which of the following statements about radon is true?
ARadon is a visible gas that can be detected without special equipment
BRadon is odorless and colorless, detectable only with special testing devices✓ Correct
CRadon is found only in older homes built before 1960
DRadon poses no health risk at any concentration
Explanation
Radon is an odorless, colorless, tasteless radioactive gas that can only be detected using specialized testing equipment. It is the second leading cause of lung cancer in the U.S.
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