Besides communication, what is one use of radio waves?

Radar.

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  1. Radar ✔
  2. Growing plants
  3. Making drinking water

Why: Radio is used for radar, radio navigation, remote control, and remote sensing, not just communication.

Huh, didn't know that: Radio is used for radar, radio navigation, remote control, and remote sensing, not just communication.

The dad joke
Radar really has a nose for finding things.
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References

Answer: Radar. Radio is used for radar, radio navigation, remote control, and remote sensing, not just communication.

  1. Radio en.wikipedia.org/wiki/Radio
    radio is used for radar, radio navigation, remote control, remote sensing, and other applications
    Checked 2026-11-07.

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