Uma colegial caucasiana sorridente em óculos seguros com três tubos de ensaio na mão isolados em branco - Banco de fotos e imagens

One pretty Caucasian schoolgirl in safe eyewear mixing blue and yellow reactants in flask at the laboratory

Woman chemist and chemicals in flasks, isolated on white

Scientific work

Isolated scientist woman in lab coat with chemical glassware

Young chemist, beautiful schoolgirl, pouring pink reagent in glass retort, isolated on white background

One Caucasian schoolgirl with two flasks filled with liquid reactant in safe eyewear isolated on white

Female scientist with flask on white background

Clever young girl student with test tube and curiosity look

Clever teenage girl study biology looking at test tube

Closeup beauty portrait of serious confident Caucasian woman holding flask with green substance

Makeup laboratory beauty scientist portrait - woman holding two flasks glass with red and green chemicals

Happy teenager study chemistry holding a test tube and smiling

Makeup laboratory beauty scientist portrait - woman holding two flasks glass with red and green substances

New life discovery - woman hold tube with plant and examine it

Young boy in safety goggles holding flask with blue reagent at the chemical laboratory

Closeup beauty portrait of serious confident Caucasian woman holding flask with green substance

Successful scientific experiment holding tube with plant