Answer :

Final answer:

Intensity measures energy, loudness is perception of intensity, frequency determines pitch.


Explanation:

Classifying Characteristics of Sound Waves:

  1. Intensity: Represents the amount of energy in a sound wave, measured in watts per square meter (W/m²).
  2. Loudness: The perception of intensity, measured in phons.
  3. Frequency: Determines the pitch of a sound wave, measured in hertz (Hz).
  4. Pitch: The perception of frequency, indicating how high or low a sound is.

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