protecting harmless bacterial cells. changing viral and bacterial nucleic acids. releasing mutated cells from pores. removing viruses and bacteria from the skin.
I gave my students this multiple choice question: Having students wash their hands frequently with soap and water will limit the spread of infectious disease by

Only one answer is correct among these 4 choices:
- protecting harmless bacterial cells.
- changing viral and bacterial nucleic acids.
- releasing mutated cells from pores.
- removing viruses and bacteria from the skin.

Could you tell me which one is correct?

removing viruses and bacteria from the skin.