Final answer:
A public toilet being treated with disinfectants is an example of sanitization.
Step-by-step explanation:
Sanitization refers to the cleansing of fomites to remove enough microbes to achieve safe levels for public health. An example of sanitization would be a public toilet being treated with disinfectants to kill most microbes on the surface. Therefore, option A) A public toilet is treated with disinfectants is an example of sanitization.