Question 59

They should do so, because radon is now considered to be one of the causes of lung cancer.

Radon is a known carcinogen and is linked to an increased risk of lung cancer. Therefore, informing the buyers that they should check for radon is crucial for their health and safety.

A) it is unlikely that radon would be a problem in that area

This option is misleading because it downplays the potential risks associated with radon exposure. Radon can be present in any location, and without proper testing, it is impossible to determine whether it is a problem in that specific area.

B) as long as they are non-smokers, it should not be an issue

This statement is incorrect as it minimizes the risk of radon exposure. Even non-smokers can develop lung cancer due to radon, as the gas is harmful regardless of smoking status. Therefore, this option fails to provide adequate advice.

C) they should do so, because radon is now considered to be one of the causes of lung cancer

This option correctly highlights the importance of checking for radon, given its classification as a carcinogen. It provides the buyers with essential health information, making it the most responsible and accurate response.

D) they need not do so, because if radon were present, there would be an odor that would make it easy to detect

This option is fundamentally incorrect as radon is a colorless, odorless gas that cannot be detected by smell. Advising buyers that they can rely on odor to detect radon is dangerous and misleading.

Conclusion

The correct answer emphasizes the necessity of testing for radon due to its serious health implications, specifically its association with lung cancer. All other options either provide incorrect information or downplay the importance of radon testing, making them unsuitable responses for the prospective buyers' inquiry.