• Eheran@lemmy.world
    link
    fedilink
    English
    arrow-up
    30
    ·
    3 months ago

    To add to this: At 3’500 meters above sea level, the pressure is down to 2/3 atmospheres. So instead of 21 kPa of oxygen partial pressure, it is only 14 kPa. So like breathing 14 % oxygen at sea level. People live at that height.