Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-fingerprinting-25b799173573

What is a fingerprint an impression of?

Friction ridges on a finger.

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  1. Friction ridges on a finger ✔
  2. Hair follicles on a hand
  3. Sweat glands on a palm

Why: Fingerprints are impressions left by the friction ridges of a human finger.

Huh, didn't know that: Fingerprints are impressions left by the friction ridges of a human finger.

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References

Answer: Friction ridges on a finger. Fingerprints are impressions left by the friction ridges of a human finger.

  1. Fingerprint en.wikipedia.org/wiki/Fingerprint
    A fingerprint is an impression left by the friction ridges of a human finger.
    Checked 2026-11-07.

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