https://youtube.com/watch?v=rWG_Rd9D5qg
How does the oxygen concentration in the atmosphere stay at a level high enough that all living beings can breathe, but not high enough that the planet's atmospere becomes inflammable?
The current human population is about 8 billion, so were oxygen levels higher or the same when the population was 1 billion?
How does the oxygen concentration in the atmosphere stay at a level high enough that all living beings can breathe, but not high enough that the planet's atmospere becomes inflammable?
The current human population is about 8 billion, so were oxygen levels higher or the same when the population was 1 billion?
