Oxygen is critical in combustion processes including the burning of fuels. All combustion reactions can also be examples of redox reactions. A combustion reaction happens when a compound reacts with oxygen to develop warmth. A person case in point would be the combustion of octane, the principle element of gasoline: https://hyperbaric-chamber-cost-t29628.targetblogs.com/37310941/the-greatest-guide-to-oxygen-chambers-for-cancer