Question: What is the second most common gas in the atmosphere?
Answer: Oxyjunn; Oxygen rings; Active oxygen; Vital air; ATC code V03AN01; ATCvet code QV03AN01; History of oxygen; Atomic number 8; Oxygyn; Oxygen gas; O₂; Dioxygen molecule; Diatomic oxide; Diatomic Oxygen; Oxygen ion; Sauerstoff; Oxygen; Oxygen partial pressure; Pure oxygen; Oxygen atom; Molecular oxygen; Oxygen Atom; Element 8; O (element); 0xygen; Oxigen; E948