What does a marine magnetometer help survey?

Underwater sites.

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  1. Desert caves
  2. Mountain peaks
  3. Underwater sites ✔

Why: Underwater surveys use tools like marine magnetometers and sonar.

Huh, didn't know that: Underwater surveys use tools like marine magnetometers and sonar.

The dad joke
That survey makes waves.
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References

Answer: Underwater sites. Underwater surveys use tools like marine magnetometers and sonar.

  1. Archaeology en.wikipedia.org/wiki/Archaeology
    marine magnetometer, side-scan sonar, or sub-bottom sonar
    Checked 2026-11-07.

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