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Question

(a) Give two causes of noise pollution from the homes.

(b) What are the usual causes of the partial hearing loss suffered by a person?


Solution

(a)

  • Using of mix and grinders
  • Listening to music at high volumes


(b) ​​Hearing loss is caused by dysfunction of the inner ear, the cochlea, auditory nerve, or brain damage. This kind of hearing loss is normally due to damaged hair cells in the cochlea. Sensorineural total deafness may occur as a result of congenital deformities, inner ear infections, or head trauma

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