Oxygen is the third most abundantly found element in the universe. It is naturally found in the sun and plays a vital role in the stellar carbon cycle. Being the first member of Group 16 of the periodic table, oxygen is a chemically active element, forming compounds with nearly all the elements except the inert gases.he natural oxygen in the atmosphere called diatomic oxygen gas has a molecular mass of 32 while ozone (O 3), which is more reactive than natural oxygen, is another allotrope of oxygen formed due to electrical discharges, or ultraviolet light reacting with the atmospheric oxygen.
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Confidence votes 77.7K. There are a number of reasons for preserving history. We like to study things and know stuff, and that's because we humans have a curiosity gene that keeps turning our heads to things of interest.f we see these conditions appearing again, we can choose to act in a way to avoid a similar negative outcome based on our understanding of the past. An adage that has been in circulation for centuries goes something like this: those who do not learn from the mistakes of the past are doomed to repeat them.