Describe the "fear appeal" and how it's used in public health messaging. give an example or create your own public health message using the fear appeal.

A fear appeal is a persuasive message that attempts to arouse fear in order to divert behavior through the threat of impending danger or harm. It presents a risk, presents the vulnerability to the risk, and then may, or may not suggest a form of protective action. Hope this helps 
and example could be the tobacco commercials, and how they try and convince us the views not to smoke

You can literally find this on google of each science career and search up what type of training you need and how many years in school

Ckatie stays consistant