Environmental

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

ACauses cancer when inhaled over many years
BIs colorless and odorless, causing poisoning without warning✓ Correct
CCorrodes metal pipes and creates water damage
DAbsorbs into walls and releases slowly over decades

Explanation

Carbon monoxide is a colorless, odorless gas produced by incomplete combustion of carbon fuels. Because it cannot be detected without a CO detector, it can quickly reach dangerous concentrations in enclosed spaces, causing poisoning or death.

Related Idaho Environmental Questions

Practice More Idaho Real Estate Questions

1,500+ questions covering all exam topics. Start free — no signup required.

Take the Free Idaho Quiz →