Environmental
Mold growth in residential properties in Iowa is most commonly caused by:
AHigh altitudes and dry weather conditions
BExcessive moisture or water intrusion combined with organic building materials✓ Correct
CRadon gas interacting with building materials
DAsbestos fibers settling on building surfaces
Explanation
Mold requires moisture, organic material, and warmth to grow. Water intrusion through leaky roofs, plumbing, or flooding — combined with organic building materials (wood, drywall) — creates ideal mold conditions.
Related Iowa Environmental Questions
- An Iowa property with an on-site septic system that fails percolation tests may:
- Iowa's agricultural use of nitrogen fertilizers has contributed to which major water quality issue in the Gulf of Mexico?
- Under the Iowa Environmental Protection Act, which Iowa agency has authority to issue permits for large animal feeding operations (CAFOs)?
- A property near an Iowa hog confinement facility may experience which environmental concern most relevant to a real estate transaction?
- A buyer is purchasing property near an industrial site in Iowa. To investigate potential environmental contamination, they should first request a:
- An Iowa property buyer discovers the property is in a FEMA-designated Special Flood Hazard Area (SFHA). This means:
- A buyer's inspector discovers vermiculite insulation in an Iowa home's attic. Why is this significant?
- Radon is a naturally occurring radioactive gas that poses a health risk when it accumulates indoors. What is the EPA's recommended action level for radon?
Practice More Iowa Real Estate Questions
1,500+ questions covering all exam topics. Start free — no signup required.
Take the Free Iowa Quiz →