Keywords
16-17, 16-17 years, 1717, 18-19, 18-19 years, adolescence, adult, african, african ethnicity, book, brown, brown hair, casual, casual clothing, caucasian, caucasian ethnicity, classmate, classroom, cloth, clothing, curiosity, discovery, down, education, equipment, ethnicity, examine, examining, feb07, front, front view, girls, grip, gripping, group, hair, head, head and shoulders, high, high school student, hold, holding, indoors, knowledge, lab, laboratory, laboratory equipment, learn, learning, long, long hair, look, looking, looking down, looking through an object, men, microscope, mixed, mixed race person, multi-ethnic, multi-ethnic group, object, pencil, people, person, purestock, race, school, science, science lab, scrutiny, shoulders, sseditor=jm, student, study, studying, teenage, teenage girls, teenager, through, tilt, two, two people, utensil, view, waist-up, write, writing, writing utensil, years, young, young adult, young men, 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, 1574r-25376, 1574r 25376, 1574r25376