Multiple choice zoology human influences on the environment acid rain air pollution - effects and control air pollution and its effects All are physical pollutants except heat sound radiations soot Reveal answer Fill a bubble to check yourself D Correct answer Explanation Physical pollutants include heat, sound, and radiation. Soot is a particulate matter, which is classified as a chemical or physical particulate pollutant, but in many contexts, it is distinguished from pure physical energy pollutants.