Sound is a boon as well as a bane:
● Without sound we cannot transfer information from one person to another. We can express our views through our words.
● In many scientific fields, sound is used such as SONAR, stethoscope etc.
● It helps in the navigation of traffic for example the vehicles can sound the horn to alert the other vehicles about their approach.
● Movies and music are a source of entertainment based on sound.
● Sometimes sound causes noises which are unpleasant to hear and causes noise pollution.
● Loudspeakers are a bane as it creates noise which can lead to hearing impairment and disturbance to heart patient.
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