undergraduate college student working on a problem in a chemistry lab class,model released- ©Marty Heitner

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Size: 5009px × 3489px
Photo credit: © Martin Heitner / Alamy / Afripics
License: Licensed
Model Released: Yes

Keywords: chemistry, class, college, education, issue, lab, laboratory, problem, pupil, science, solving, student, toiling, undergraduate, work, working