roll on 80 canva post on 450 Oxygen was discovered in 1772 by scientist Carl Wilhelm Scheele! 🌍⚗️ His amazing discovery helped us better understand the air we breathe every day. 🌱✨ 🔬 Science changes the world one discovery at a time! #Oxygen #ScienceFacts #CarlWilhelmScheele #DidYouKnow #Chemistry #Learning #Education #SciencePost