Pretty sure its scavenger, the others make no sense
I believe the answer is: influence a number of other workers to work harder
The psychologist is using a Token Economy because for doing something, you get a reward in exchange.
Inhalant dissolves the fatty tissue in the brain.
Answer:
The involvement of judges, prosecutors, social service providers, law enforcement officers, crime victims, community-based organizations, and others is critical to improving the juvenile justice system and reducing youth violence. The Action Plan supports interagency law enforcement teams, or task forces, that coordinate the investigative efforts and suppression tactics of Federal, State, and local law enforcement agencies in weapons, drug, and gang arrests.