Environmental

Carbon monoxide (CO) in Indiana homes is dangerous because:

AIt causes structural damage to wood framing
BIt is a colorless, odorless, toxic gas produced by incomplete combustion that can cause death✓ Correct
CIt is detectable only with professional testing equipment
DIt is found only in properties with natural gas appliances

Explanation

Carbon monoxide is a colorless, odorless, tasteless gas produced by incomplete combustion of fuel. It displaces oxygen in the blood and can cause death. CO detectors are required in many Indiana residential occupancies.

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