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Lab microscope and testing tubes. My chemistry experiment. Back to school and happy time. Cheerful smiling little boy having fun against blue wall

A chemistry demonstration. Back to school. Child from elementary school. Portrair close up. They carried out a new experiment in chemistry

A chemistry demonstration. Back to school. Child from elementary school. Portrair close up. They carried out a new experiment in chemistry

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Back to school and home schooling. Science and education concept. Happy little scientist making experiment with test tube. Portrair close up

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