Which of these is the best example of a person participating in public life at the state level? and why?

a) voting in a presidential election
b) volunteering at a homeless shelter
c) campaigning for a gubernatorial candidate
d) re-tweeting the post of the political commentator

The specific department of health and human services (hhs) regulations that apply to research with children are known as: subpart b: additional protections for children involved as subjects in researchsubpart a: the common rulesubpart d: additional protections for children involved as subjects in researchsubpart c: protections for children in research