How far in the future would it be when we run out of oxygen and die???

Question: How far in the future would it be when we run out of oxygen and die???
- Keywords:
  air,
  future,
  oxygen
Asked by anon-200542 to Hannah on 5 Mar 2019.
- Hannah answered on 5 Mar 2019:
  
  Oxygen in the Earth’s atmosphere is constantly being replenished by trees and plants, so it is not predicted that we will run out of oxygen anytime soon!

Question: How far in the future would it be when we run out of oxygen and die???