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Man bearded teacher work with microscope and test tubes in biology classroom. Biology plays role in understanding of complex forms of life. School teacher of biology. Explaining biology to children
Keywords:
men
education
adult
indoors
teacher
blackboard
science
black and white
looking at camera
student
formula
classroom
beard
scientist
professor
chemistry
learning
teaching chemistry to students
biology teacher
teacher of biology
interesting microscope
play complex
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