Final answer:
Sanitizing is the term that means reducing the number of microorganisms on a surface by applying heat or chemicals.
Step-by-step explanation:
Sanitizing is the term that refers to reducing the number of microorganisms on a surface by applying heat or chemicals. It is a process commonly used to remove or kill bacteria, viruses, and other harmful microorganisms to promote cleanliness and prevent the spread of diseases. For example, sanitizing a kitchen counter by using a cleaning solution or boiling water to sterilize surgical instruments are both forms of sanitization.
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