Chemical is the answer to the question, but nuclear could also be a valid one since it is nearly impossible to reverse that.
I believe it was James Hutton
Answer:
It is a neutral atom and does not carry a charge
Answer:
Explanation:
It depends on how this is done. If you raise the pressure, the nitrogen will disappear (liquify) and all that will be left will be the 21 % oxygen and the 1% argon.
The process is very complicated because the boiling point of nitrogen keeps on changing. The boiling point is unstable.
I dont know what subject is this