Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-environmental-science-38d2cb064a62

What is particulate matter (PM)?

Tiny particles in the air that can be harmful.

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  1. A kind of rock
  2. Tiny particles in the air that can be harmful ✔
  3. A type of cloud

Why: PM refers to particles in the air that can harm health, and experiments can test for them.

Huh, didn't know that: PM refers to particles in the air that can harm health, and experiments can test for them.

The dad joke
PM is a tiny problem with big effects.
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References

Answer: Tiny particles in the air that can be harmful. PM refers to particles in the air that can harm health, and experiments can test for them.

  1. Scouting America: Environmental Science www.scouting.org/merit-badges/environmental-science
    Learn what Particulate Matter (PM) is, how PM gets into the air, what the harmful effects of PM are
    Checked 2026-11-07.

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