ID 280755160 © Tverdohlib | Megapixl.com
Model Released
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
information educational lecture board tutorial hand lesson portrait copyspace design billboard chalkboard book mentor biology learner presenting emotional excited tutoring study blackboard education microbiology biotechnology expression teaching product knowledge college studying training teacher student write typing mentoring learning talk chalk copy microscope lector learn fingers chemist support speaker seminar teach exam course tutor chemistry school background diploma space gesture text chemical showing look examination pointing professor face science workshop poster university