Environmental
What is the primary concern with formaldehyde in residential real estate?
AIt causes foundation cracking in newly built homes
BIt is released as a gas from certain building materials and can irritate the respiratory system✓ Correct
CIt contaminates well water in rural properties
DIt reacts with radon to increase radiation levels
Explanation
Formaldehyde is a volatile organic compound (VOC) that off-gasses from pressed wood products, adhesives, and some insulation materials. Indoor exposure can irritate the eyes, nose, and throat, and long-term high-level exposure has been linked to cancer. It is an indoor air quality concern in both new and existing homes.
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