portrait happy school kids experimenting molecule model laboratory |
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| navigate by keyword : academic adolescence analyzing assembling atom biochemistry boy caucasian cheerful chemical chemistry child coat confidence connection development discovery education experiment experimenting eyewear female friends friendship girl happy holding knowledge lab laboratory learn learning leisure lifestyle looking male microscope mixedrace model modern molecular molecule physics practice project protection protective research school schoolboy schoolgirl science secondary smiling student study studying teenage teenager together youth |
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| Portrait of happy school kids experimenting molecule model in laboratory at school |
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