Крупним планом жінка-вчитель вивчає вміст рідини в колбі в лісі. Концепція екології та забруднення навколишнього середовища . - Стокове фото та зображення

Woman collects water in a test tube. Ecology and environmental pollution concept.

Closeup of a female scientist examining the liquid contents of flask in the forest. Ecology and environmental pollution concept.

Woman collects water in a test tube. Ecology and environmental pollution concept.

Woman collects water in a test tube. Ecology and environmental pollution concept.

Closeup of a female scientist examining the liquid contents of flask in the forest. Ecology and environmental pollution concept.

Female scientist examining the liquid contents of a test tube in the forest. Ecology and environmental pollution concept.

Female scientist examining the liquid contents of a test tube in the forest. Ecology and environmental pollution concept.

Hand in glove collects water in a test tube.

Female scientist examining the liquid contents of a test tube in the forest. Ecology and environmental pollution concept.

Hand in glove collects water in a test tube.

Closeup of a female scientist examining the liquid contents of a conical flask in the forest. Ecology and environmental pollution concept.

Closeup of a female scientist examining the liquid contents of flask in the forest. Ecology and environmental pollution concept.

Female scientist examining the liquid contents of a test tube in the forest. Ecology and environmental pollution concept.

Female scientist examining the liquid contents of a test tube in the forest. Ecology and environmental pollution concept.

Scientist or biologist wearing protective uniforms examining the liquid contents of a test tube. Ecology and environmental pollution concept.

Female scientist examining the liquid contents of a test tube in the forest. Ecology and environmental pollution concept.