Question

acoustic cell phone amplifier quiz- based on \sound\ re
the decibel (db) is used to measure the
of sound, or the power of its waves.
pitch frequency loudness intensity

Explanation:

The decibel (dB) is a unit that quantifies the intensity of sound. Intensity refers to the power of sound waves per unit area. Pitch is related to the frequency of sound (how high or low a sound is), frequency is the number of wave cycles per second, and loudness is a subjective perception. The decibel scale is based on sound intensity.

Answer:

Intensity