Why does life require oxygen and not some other gas like nitrogen for example.
Is there something specific in oxygen that life needs to survive?
In: 14
Aerobic respiration releases about 10x more energy than anaerobic respiration from the same energy sources. Oxygen is one of the best oxidizers that is commonly available which is why it’s able to do that. There are much stronger oxidizers known to chemistry which could release even more energy. However if you get much stronger than oxygen they start reacting so easily with other things, those chemicals would destroy all the other molecules that make up an organism.
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