Keywords
18-19 years, 20's, 20-24 years, 20-25, 20-30, 20s, 25-30, 3, 40's, 40-45, 40-50, 40s, 45-50, 50-54 years, 50-55, 50-60, 55-60, access, adult, analysis, assembling, biology, caucasian, class, classmate, classroom, collecting, collection, college, color, color image, colour, computer, concentrating, concentration, confidence, confident, cooperation, copy space, counseling, curiosity, curious, data, education, educator, elevated view, examining, experiment, experimentation, experimenting, fellow, female, fifties, fifty, forties, forty, gal, gathering, gentleman, glove, guidance, guy, high angle, high angle view, human, human being, indoor, indoors, information, inside, instructing, instruction, instructor, intelligence, interest, knowledge, lab, laboratory, lady, learning, male, man, mature adult, mature women, microbiology, mid life, middle age, middle aged, middle-age, middle-aged, negative space, observation, partner, partnership, pc, people, person, personal computer, petri dish, photography, professor, pupil, r&d, research, research & development, research and development, researching, rubber glove, rubber-glove, school, schoolmate, schoolroom, science, scrutinizing, seated, serious, seriousness, sitting, solemn, somber, student, studying, teacher, teaching, team, teamwork, technology, test tube, three, three people, tuition, tutor, tutoring, twenties, twenty, university, vertical, 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, blm016475