Identify major indoor air pollutants and practical control strategies for healthy indoor environments.

• A. VOCs, ozone, and formaldehyde; controls include masking with air fresheners
• B. VOCs, particulate matter, mold, and combustion byproducts; controls: ventilation, source control, filtration, moisture management
• C. Noise and light pollution; controls include earplugs and blinds
• D. Ultraviolet radiation; controls include sunscreen

Answer: (B)