This kind of planets would need to lie from the “habitable zone” in their star, wherever temperatures allow for for liquid water within the area. Oxygen also will make up most of Earth’s oceans by mass. A water molecule (H2O) is made up of two hydrogen atoms and one particular https://oxygenchambers64063.smblogsites.com/35977969/5-simple-techniques-for-cost-of-home-hyperbaric-oxygen-chamber