Environmental

Carbon monoxide is a hazard in Iowa homes primarily associated with:

AOlder vinyl flooring materials
BFaulty combustion appliances such as furnaces, water heaters, and attached garages✓ Correct
CLead paint in pre-1978 homes
DHigh radon concentrations

Explanation

Carbon monoxide (CO) is an odorless, colorless gas produced by incomplete combustion from fuel-burning appliances. Faulty furnaces, gas water heaters, fireplaces, and vehicles in attached garages are common sources in Iowa homes.

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