scientists looking through microscope and working with pipette little girl happily raises hands

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Scientists looking through a microscope and working with a pipette. Little girl happily raises hands Royalty Free Stock Photo

Scientists looking through a microscope and working with a pipette. Little girl happily raises hands

Woman is looking through a microscope. Working with the equipment in the lab. Guy drips from a pipette into a test tube. Little girl happily raises her hands up. Scientist explains chemistry to child