Which of the following are primary pollutants that frequently occur undetected in homes?
A)radon and carbon monoxide
B)soot,smoke,and salt aerosols
C)peroxyacetyl nitrate and sulfur dioxide
D)volatile organic compounds and peroxyacetyl nitrate

Question

Quizplus · Accepted Answer

Radon and carbon monoxide are primary pollutants that frequently occur undetected in homes. Soot, smoke, salt aerosols, peroxyacetyl nitrate, sulfur dioxide, and volatile organic compounds can also be present in homes, but they may be more easily detected or recognized.

Which of the Following Are Primary Pollutants That Frequently Occur