The air is different as you progress larger and better in the atmosphere. The air receives "thinner" as elevation climbs due to the fact you can find fewer air molecules up there. Mountain climbers normally really need to use canisters of oxygen as they climb higher than 3,800 meters (twelve,500 https://www.dailypioneer.com/2025/page1/smoke-smell--unruly-passenger-affects-ai-flight-service.html