The purpose of the BMI (Body Mass Index) is to find the approximate level of body fat based on weight and height.
The higher the number, the more body fat a person has.
<span>Nina can conclude that the person wearing a white coat and advertising a health product is a health professional. She can further conclude that the person is a scientist and works in a medical industry. Usually advertisements involving health products make their actors wear white lab coats to infer medical background and to make the advertisement more credible.</span>
<span>ultrasound is the answer to the question</span>