3 questions explained with 200 words each

/in /by

I need all three explained in at least 200 words each

 

 Define and explain at least 200 words each, at least 2 references. No use of direct or verbatim quotes, no use of websites as references… See te tree below

 

  1. hearing loss Conductive

 

  1. hearing loss Sensorineural

 

 

  1. Mixed Hearing Impairment