What Does PM in the Abbreviation PM-2

question 31

Multiple Choice

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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Definitions:

Brain Tumor

An abnormal growth of cells within the brain or the central spinal canal, which can be benign or malignant (cancerous).

Awareness

The state of being conscious or cognizant of something, including self-awareness, situational awareness, and awareness of others' emotions and perspectives.

Imminent

About to happen or likely to occur very soon.

Death Rattle

A specific type of breathing pattern heard in a dying individual, caused by fluid or secretions in the throat or airways.