Keywords
18-19 years, 20's, 20-25, 20-30, 20s, 25-30, 30's, 30-34 years, 30-35, 30-40, 30s, 35-40, 5, adult, african-american ethnicity, analysis, asian, asian ethnicity, biology, caucasian, chatting, class, classmate, classroom, college, color, color image, colour, communicating, communication, concentrating, concentration, confidence, confident, conversation, conversing, cooperation, copy space, counseling, dialog, dialogue, discussing, educating, education, educator, examining, experiment, experimentation, experimenting, explaining, face to face, far eastern, fellow, female, five, five people, focus on foreground, gal, gentleman, guidance, guy, hearing, hispanic, holding, horizontal, human, human being, indoor, indoors, information, inside, instructing, instruction, instructor, intelligence, knowledge, lab, laboratory, lady, latin, latin american, latin american and hispanic ethnicity, latina, learning, listener, listening, male, man, microbiology, mid adult, mid adult men, middle eastern, middle eastern ethnicity, mixed race person, multi-ethnic group, multicultural, multiculturalism, native american, native american ethnicity, negative space, observation, oriental, pacific islander, pacific islander ethnicity, people, person, petri dish, photography, professor, pupil, r&d, research, research & development, research and development, researching, school, schoolmate, schoolroom, science, seated, sitting, speaking, student, studying, talker, talking, teacher, teaching, team, teamwork, thirties, thirty, training, tuition, tutor, tutoring, twenties, twenty, university, vigilance, waist up, waist-up, watching, western european, white space, wisdom, woman, women, working together, 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, blm016468