ID 307668981 © Dovidovich | 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.:
students physics class spin newtons multicolored disk man scientist academic studying board college study learning research classroom physicist lesson student books education school university preparation exam high learn chemist molecule experiment scientific chemical preparing chemistry chalk molecular pointing algebra chalkboard drawing formula tubing thumbs science liquid test experimenting line white substance explaining formulas training thumb