What controls the amount of light that enters the eye?

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.

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

What is the best way to combat stereotypes in the workplace?