Which action describes reciprocity between peers?

Which of these best describe the perceived body image of a person suffering from anorexia nervosa? a.accurate b.healthy c.normal d.overweight

How could you find out if that advice is based in scientific evidence?

Astairway has 6 steps. is it a handrail required? a. a handrail is required b. a handrail is not required c. double handrails are required d. only nosing is required