What is the intensity of sound in normal conversation?

10-20 decibel

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30-60 decibel

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70-90 decibel

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120-150 decibel

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Solution

The correct option is B 30-60 decibel
A sound's loudness is measured in decibels (dB). Normal conversation is about 30- 60 dB, a lawn mower is about 90 dB, and a loud rock concert is about 120 dB. In general, sounds above 85 are harmful and depends on the length and frequency of the exposure.

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