The answer is you cannot. According to Wikapedia 2012.
Sustain life.
Sustain life.
air
Air helps us breathe. Air also helps life sustain and grow. It makes Earth the only known planet to sustain life.
Air is used to inflate tyres , power air-tools , sustain life,
Apart from water, you need oxygen in the air to sustain life on earth. With these two indispensable features, both mankind,animals and botanical reserves sustain life on this planet.
Very little if the air is flammable gas. Oxygen in the air is not flammable as such, but is generally needed to sustain a fire.
air bags
About 30% of people who sustain the tick bites actually acquire the Lyme disease.
'azote' which is 'the part of air which cannot sustain life'
Fire needs the oxygen in the air. Any other source of oxygen would also sustain fire.
The average volume of air needed to sustain life in a human during the day and the night is 0.84 kg per day. An adult may require about 6 liters of oxygen per minute at rest.