ID 61613896 © Luckybusiness | Megapixl.com
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.:
academic adult analyzing assistant background blackboard board caucasian chemical chemist chemistry class classroom colleague college education equipment examination experiment formula horizontal institution learn learning lecture lecturing male men model molecular molecule observing person profession professor reaction research school science scientist showing structure student studying teacher teaching university white work young