MCQ
Which of these are particulates?
  • A
    Dust and fumes.
  • B
    Fly ash and smoke.
  • C
    Mist and fumes.
  • All of these.

Answer

Correct option: D.
All of these.
$\text{PM}$ stands for particulate matter $($also called particle pollution$)$ the term for a mixture of solid particles and liquid droplets found in the air.
Some particles, such as dust, dirt, fumes, soot, smoke, mist or fly ash are large or dark enough to be seen with the naked eye.

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