Final answer:
Social Distancing is an example of a Community Nonpharmaceutical Intervention (NPI), which helps to slow the spread of illnesses by maintaining physical space between people in a community.
Step-by-step explanation:
The question "Which of the following is an example of a Community Nonpharmaceutical Intervention (NPI)?" refers to strategies that communities can adopt to help slow the spread of illnesses. Among the options provided, C) Social Distancing is an example of a community NPI. Social distancing involves keeping space between yourself and other people outside of your home. Other measures such as handwashing, while clearly important for personal hygiene and prevention of disease transmission, are actions individuals can perform, rather than community-wide interventions.