help please. ..

In essence, an adverse impact occurs when protected group members are treated differently from others. Although most organizations will state that they are an equal employment opportunity employer, sometimes their actions may indicate differently. The following job advertisement ended up in the hands of the Equal Employment Opportunity Commission. Case A newspaper advertisement for a cashier in a grocery store: "Applicant must be young and energetic and be required to stand for long periods of time." 1)Do you see anything wrong with the advertisement? 2) What? and Why do you think it is wrong