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Incineration achieves sterilization by

  • A.oxidising surface layers at 170 degrees
  • B.denaturing enzymes with ultraviolet light
  • C.reducing material to ash by burning
  • D.coagulating proteins with saturated steam

Answer: C

Correct answer: reducing material to ash by burning

Incineration destroys the material along with everything living in it, converting it to ash and gases at several hundred degrees. It is therefore used for disposal rather than for anything that must be reused, and it is the method of choice for anatomical waste, sharps and highly infectious material where nothing is to be recovered.

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