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, analysis, biology, caucasian, chemical, class, classmate, classroom, college, color, color image, colour, concentrating, concentration, confidence, confident, cooperation, curiosity, curious, displaying, education, educator, elevated view, examining, exhibiting, experiment, experimentation, experimenting, fellow, female, five, five people, gal, gentleman, guy, head & shoulders, head and shoulders, high angle, high angle view, hispanic, holding, human, human being, indoor, indoors, information, inside, instructing, instruction, instructor, intelligence, interest, knowledge, lab, laboratory, lady, latin, latin american, latin american and hispanic ethnicity, latina, learning, liquid, looking down, male, man, microbiology, mid adult, mid adult men, multi-ethnic group, multicultural, multiculturalism, observation, partner, partnership, people, person, petri dish, photography, professor, pupil, r&d, research, research & development, research and development, researching, school, schoolmate, schoolroom, science, scrutinizing, seated, serious, seriousness, showing, sitting, solemn, somber, student, studying, teacher, teaching, team, teamwork, test tube, thirties, thirty, tuition, tutor, tutoring, twenties, twenty, university, vertical, vigilance, waist up, waist-up, watching, western european, wet, wisdom, woman, women, working together, young adult, 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, blm016470