Respuesta :
I'm too late, but for future reference, the answer is C. Bandwagon.
The Bandwagon will be the persuasive technique does the poster uses which were created by the center of diseases and promote the handwashing.
The Proper hand wash kills maximum amount of germs and little protection from the viruses. Its become regular in use while the doctor and surgeon wash their hands on regular interval of time before checking the patient.
For general hand wash we should mild soap which contain less amount of chemicals , we should was our hands in running water .
For more information on Hand wash , please refer the below link :
https://brainly.com/question/5343238