![A-college-science-professor-grading-homework-assignments-from-his-students-and-taking-notes-in-his-binder-during-a-semester](https://videocdn.cdnpk.net/videos/2ec24867-dca7-4f26-a38b-fbe20340ebb5/horizontal/thumbnails/small.jpg)
A college science professor grading homework assignments from his students and taking notes in his binder during a semester
4k 00:09
Add to Collections
Add to Favorites