Immediate damage is caused to human ears if exposed to the sound of loudness over ____ .

120 dB

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75 dB

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80 dB

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60 dB

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Solution

The correct option is A 120 dB
Loud noise can damage cells and membranes in the cochlea. Listening to loud noise for a long time can overwork hair cells in the ear, which can cause these cells to die. 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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