Keywords
14-15 years, 20's, 20-24 years, 20-25, 20-30, 20s, 25-30, 4, 40's, 40-45, 40-50, 40s, 45-50, 50-54 years, 50-55, 50-60, 55-60, adult, african, african american, african ethnicity, african-american, african-american ethnicity, afro american, afro-american, bend, bending, black, book, caucasian, chemistry, child, class, classmate, classroom, collaborating, collaboration, color, color image, colour, companion, cooperation, copy space, counseling, device, education, educator, examining, eyeing, female, fifties, fifty, forties, forty, four, four people, furnishing, furniture, gal, girl, guidance, head & shoulders, head and shoulders, high school, high-school, highschool, horizontal, human, human being, indoor, indoors, information, inside, instructing, intelligence, juvenile, kid, knowledge, lab, laboratory, lady, leaning, learning, looking, looking down, magnification, magnifier, mature adult, mature women, microscope, mid life, middle age, middle aged, middle-age, middle-aged, minor, multi-ethnic group, multicultural, multiculturalism, negative space, notation, notebook, noting, observing, occupation, of african descent, partner, partnership, people, person, photography, project, pupil, research, school, schoolmate, schoolroom, science, science class, scientific experiment, seated, seeing, selective focus, sitting, standing, student, studying, table, taking notes, teacher, team, teamwork, teen, teenage, teenage girl, teenage girls, teenager, together, togetherness, tuition, twenties, twenty, viewing, waist up, waist-up, watching, western european, white space, wisdom, woman, women, working together, young, young adult, young women, youth, youthful, 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, bld128698