6D8597EC51EFA3DEB5745978225EF1D3 What if the rate of oxygen in the atmosphere increases? - Facts and Information


What if the rate of oxygen in the atmosphere increases?

We all know that oxygen gas is an essential ingredient for the survival of all living things (other than anaerobic organisms). And since the atmosphere surrounds us from every side, the difference in the quantity of any of its elements may lead to many changes in the lives of organisms and the nature of the formation of the entire planet.

At the beginning of Earth's life there was not much oxygen. However, with the emergence of the bluish-green bacterium 5.2 billion years ago, oxygen began to circulate as a result of the bacterium's dependence on photosynthesis in energy production. With the passage of time, the rate of oxygen increased to the point where it led to the extinction of many anaerobic creatures in what is known as the major oxygen event. After the emergence of aerobic organisms, the proportion of oxygen began to balance depending on its cycle between the organisms that produce oxygen, such as plants, and the organisms that consume it like animals. Scientific evidence indicates that the rate of oxygen in the atmosphere varied between 10 and 35 per cent during the previous 500 million years.


The current oxygen content in the atmosphere is approximately 21 percent. If we assume that it doubled at the expense of nitrogen, which is the largest component of the rest of the atmosphere by 78 percent, the air density around us will increase because oxygen is more dense than nitrogen at sea level. Increasing the density will increase the efficiency of aircraft flying because the wings of the aircraft depend on the pressure difference between the upper and lower wings to achieve the lifting force. The efficiency of transportation engines will increase, because increasing the oxygen will increase the efficiency of combustion of power generators such as oil and others.


As for living organisms, increasing the percentage of oxygen will increase the efficiency of breathing, which slows at elevations due to the low density of air and thus the low density of oxygen. This is why it is difficult to play different sports on the highest mountains. Improved respiration and thus oxygen in the circulatory system will lead to a better overall health life. The performance of athletes will be greatly improved.


Physiologically, increasing oxygen will speed up the production of so-called free radicals in the body, molecules on which the outer shell has a single electron between pairs of electrons. These free radicals accelerate aging by interacting with DNA and destroying part of it.

There are many medical hypotheses that link free radicals to diseases such as cancer and Alzheimer's.


Another consequence of the high oxygen content in the atmosphere is that the size of the insects will swell, because insects have no lungs or internal organs that absorb oxygen.

 Instead, it extracts oxygen directly from the surface of its bodies.

During the experiment, the scientists found that the dragonflies that were bred in laboratories with a high oxygen content had grown to two and a half feet. However, ironically, cockroaches alone were smaller in environments with high oxygen.


Increasing oxygen will inevitably bring many benefits to humans, but at the expense of shortening life and increasing the proportion of some complex diseases. Then who among us would like to live in the world of huge insects?



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