Keywords
18-19 years, 20's, 20-24 years, 20-25, 20-30, 20s, 25-30, 3, adult, african-american ethnicity, analysis, blond, blonde hair, caucasian, chemical, chemistry, class, classmate, classroom, college, color, color image, colour, confidence, confident, copy space, education, equipment, examining, experiment, experimentation, experimenting, fellow, female, gal, gentleman, guy, head & shoulders, head and shoulders, horizontal, human, human being, indoor, indoors, information, inside, instructing, instruction, intelligence, knowledge, lab, lab coat, laboratory, lady, learning, looking at camera, male, man, multi-ethnic group, multicultural, multiculturalism, negative space, people, person, photography, portrait, portraiture, posing, pupil, r&d, research, research & development, research and development, researching, school, schoolmate, schoolroom, science, scientist, selective focus, standing, student, studying, teaching, three, three people, tuition, tutoring, twenties, twenty, university, western european, white coat, white space, wisdom, woman, women, young adult, young men, young women, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, blm016465