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Caucasian young adult woman wearing safety glasses conducting scientific experiment in laboratory holding glass flask with liquid, sitting at desk with laboratory equipment visible
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Researchers holding DNA molecules flat vector illustration. Man and women study genetic engineering cartoon characters. Genome mutation. Scientists investigate chromosome structure. Gene manipulation.
Senior Caucasian man wearing lab coat and protective mask conducting scientific experiment in laboratory, examining petri dish with magnifying glass, working with laboratory equipment
Umbra of basketball from light source. Different size of shadows. Shadow object schematic diagram. Formation of shadows. Scientific resources for teachers and students. Vector illustration.

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