Answer:
Someone wants to have smoke in the air at a laser show because It's the dust particles or mist droplets which reflect the light of the laser. When you see a laser beam, what you are seeing is the beam being scattered by various small particles suspended in the air. ... When people want to show off laser beams, they often add smoke or equivalent to the air.
Mitochondria should be the answer
Partial or complete loss of hearing can be caused by damage to the; I, II, and III, that is, the axons of the neurons associated with each hair cell that carry information to the brain, hair cells in the cochlea and also the tympanic membrane. Hearing impairment, deafness or hearing loss is the inability to hear things, either totally or partially. This may be caused by injury or diseases that damages the parts responsible for hearing process.
