What does PM in the abbreviation PM-2.5 stand for?
A) Primary mist
B) Pollutant material
C) Particulate matter
D) Particles of metal
E) None of these

Name: What does PM in the abbreviation PM-2.5 stand for? A) Primary mist B) Pollutant material C) Particulate matter D) Particles of metal E) None of these
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Quizplus · Accepted Answer

PM-2.5 stands for fine particulate matter with a size of 2.5 micrometers or less, which is a common measure of air pollution.

What Does PM in the Abbreviation PM-2