The volume of a sound is how loud or quiet the sound is. Sounds are vibrations that travel through the air. A nail hit hard with a hammer will make a strong vibration, which means it will make a ...
Beyond exposure to loud sounds, causes of hearing problems in children include otitis media (infection of the middle ear), ...
Some parents like using sound machines to play white noise to help their infants fall asleep. There are some volume guidelines they need to consider if they do so. According to the American ...
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