Ключевые слова: adolescence, adult, assistance, atom, back to school, biology, boys, business, business person, businesswoman, california, campus, carefree, chart, cheerful, chemistry, child, classroom, clipboard, comfortable, confidence, cute, development, disability, discovery, document, education, females, friendship, happiness, horizontal, indoors, latin american and hispanic ethnicity, laughing, learning, lifestyles, males, men, office, people, portrait, sitting, smiling, teacher, usa, women, young adult, young men,