Question

unit of measuring noise is
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Answer 1

Explanation:

dB, decibel - noise of sound measurement is called decibels (dB). Ratio of the sound pressure to reference pressure to something. sone - a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold, starting with 1 sone.

Answer 2

Explanation:

km per hr

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