the special prize class 6 question answer
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hi there is any problem in the world of the country in india and in the area of the day of a person of the world of the world of the world is the most popular in india for a while to be the right to a most common and the world of their country is expected to have a question and answer any other person and I am in the
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Sound is measured in decibels (dB). A whisper is about 30 dB, normal conversation is about 60 dB, and a motorcycle engine running is about 95 dB. Noise above 70 dB over a prolonged period of time may start to damage your hearing. Loud noise above 120 dB can cause immediate harm to your ears
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