How long does the average person stay awake?

Catalina ate a candy bar and then went on a fast-moving ride in an amusement park. she was sick to her stomach after the ride and now, catalina cannot eat candy bars, because they make her nauseous. in this learned association, the candy bar serves as a(n) to catalina.

Wha arrow in the figure points to the section that indicates how much food is in the package/container

Describe in your own words three purposes of human services.