✓ Correct answer: D. contaminated.Anything that comes into contact with or mixes with something that is unclean, like the floor, is considered contaminated.<br/><br/>Disinfected (choice B) is a less-deadly process than sterilization because it kills certain bacteria and viruses from surfaces and eliminates and reduces harmful germs.<br/><br/>To be infected (choice C) means that an organism has entered the body and caused disease. To be sterile (choice D) means that the process of killing all germs has occurred.
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