Visão de baixo ângulo do cientista com caneta de feltro perto de fórmulas borradas na placa de vidro - Banco de fotos e imagens

Blurred doctor with felt pen and clipboard writing chemical formulas on glass board

Brunette doctor in white coat writing chemical formulas on glass board in lab

Low angle view of blurred chemist holding clipboard and felt pen near chemical formulas on glass board

Thinking, scientist hand and woman writing on clear board for science formula research. Laboratory worker, female person and focus with planning and futuristic vision for medical test with mockup.

Figuring out how different scientific systems work. a young scientist writing notes on a glass wall in a lab

View through the transparent Board. female scientist makes a report to colleagues. concept of research

Background image female scientist makes a report to colleagues

View through the transparent Board. female scientist makes a report to colleagues. concept of research

Teacher talking near blurred digital camera and chalkboard with math formulas in classroom

Teacher holding chalk near blurred digital camera and chalkboard in class

Happy teacher holding chalk near mathematic formulas on chalkboard

Positive teacher holding chalk and laptop near chalkboard in school

Teacher pointing at math formulas on chalkboard during online lesson in class

Positive teacher pointing at blurred chalkboard with math formulas near digital camera in school

Teacher holding laptop during online lesson near chalkboard with math formulas in class

Tutor pointing at chalkboard and holding digital tablet near camera in school

Teacher pointing at math formulas on chalkboard during online lesson in class

Smiling teacher holding chalk and laptop near math formulas on chalkboard