_______are usually the most obvious form of air pollution because they reduce visibility and leave deposits of dirt on the surfaces with which they come in contact.
A) Volatile organics
B) Sulfur oxides
C) Particulates
D) Nitrogen oxides

Question

Quizplus · Accepted Answer

Particulates are solid particles and liquid droplets in the air that are visible and can cause reduced visibility and leave deposits on surfaces they come into contact with.

_______Are Usually the Most Obvious Form of Air Pollution Because