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What happens if earth lost oxygen for 5 seconds ?

We all are privileged to live on this earth with oxygen.We have taken things for granted and have never thought what would happen to this earth without oxygen. There was a question on this on quora and the answers given by experts were unbelievable. We all have the capacity to hold breathe for 1 min, People who have practiced will hold breathe for few more minutes So there should be no problem if earth lost oxygen for 5 seconds.But this is not the exact scenario, we will face dire consequences because of this as listed below

  • People wont feel any-difference in terms of breathing
People will suffocate only when the oxygen content in the very less and when carbon dioxide levels in atmosphere is very high.It will take time for our respiratory system to sense that oxygen in the atmosphere is nil and concentration of CO2 is high.People wont die for just 5 second not breathing oxygen.


  • IC's engines will not work 
As most of the automobiles use IC engines (Internal combustion) it needs oxygen for the process of combustion and expansion.Fire requires oxygen , as there is no oxygen the fuel wont be burnt which in turn will cease the motion of the vehicle.


  • Crust would crumble
The earth crust comprises of 45% of oxygen, as a result when oxygen is lost people will experience a free fall and the ground will crumble. Of course the consequences of such will be catastrophic.


  • Sun burns
We all know our planet earth has a outer layer to save us from harmful UV radiations that is 3 molecules of Oxygen which is also known as Ozone. As there will be no Ozone layer in the absence of Oxygen we will succumb to sun burns all over the body. Oxygen also binds dust at the absence of Oxygen people will see sky dark as there is no binding force for dust.


  • Hearing Loss
Our ear drum will explode.Yes you saw it right,Once the oxygen is lost our ears will experience a huge air pressure difference as much as 20% and results in explosion of ear drums.


  • Building structures will collapse 
Oxygen is the binding force for concrete.When Oxygen is absent the concretes will collapse and mere dust is formed.All buildings will fall.Untreated metals will fuse with each-other without welding because only by the process of oxidation the layers of metals are protected from each other.This is the reason why cold welding is easy.


  • No more water
We all know that water is made up of 2 hydrogen molecules and 1 oxygen molecule.As there is no oxygen hydrogen will escape in air.

Now let us see what happens if Oxygen comes again after 5 sec ! Do you think everything will go back to normalcy. No ! is the answer . We will witness a very big explosion because of oxidation of everything as a result the earth temperature will be cold for next several seconds.

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