not your business
8
The separation is made by cryogenic distillation.
This is an oxidation reaction.
small organisms have more oxgyen than big organisms
not your business
Yes
No, it is not.
Yes.
They don't need oxgyen but they need c2o which we exert and oxgyen is what plants exert
No, it is an element.
helium
gas
8
hydrogen and oxgyen
20.94 % in our atmosphere.
Hemoglobin.....