TeachMeFinance.com - explain Particulate Matter (PM)
Particulate Matter (PM) The term 'Particulate Matter (PM)' as it applies to the area of the environment can be defined as 'Very small pieces of solid or liquid matter such as particles of soot, dust, fumes, mists or aerosols. The physical characteristics of particles, and how they combine with other particles, are part of the feedback mechanisms of the atmosphere. See aerosol, sulfate aerosols.6'.
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