Everyone knows that whether it is a human being or any living being, oxygen is very important for everyone. It is because of oxygen that all living beings on earth exist, in such a situation, if oxygen disappears from the earth for just 5 seconds, then there will be a situation of devastation on the earth. Buildings will collapse, vehicles will not run, all machines will stop and many such things can happen which we and you cannot even imagine. In such a situation, have you ever thought that what…
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