Oxygen may be indispensable. If there is no oxygen on the earth, what disaster will it face?

Oxygen may be indispensable. If there is no oxygen on the earth, what disaster will it face?

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Human beings are the most special higher life on the whole earth. They have the ability and consciousness of independent thinking, which distinguishes the differences between human beings and animals. Of course, human beings can grow up on the earth smoothly, and the requirements for conditions are extremely harsh. It has to be admitted that the environment on earth is extremely mild, with sufficient sunlight and resources, especially water resources. Water is an essential material. Without water, the energy in the body can not be recycled. People can not eat for three days, but they can not drink for three days.

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In addition, everyone needs to breathe. There is a lot of oxygen in the air. The air is composed of 78% nitrogen and 21% oxygen, of which 99% is made up. Another 1% contains rare gases, carbon dioxide and other substances. Although oxygen only accounts for 21%, it provides human respiration and blood circulation. Not only human beings, but all living things on the earth can’t do without oxygen If there is no oxygen, the internal body will not function properly. Oxygen may be indispensable. If there is no oxygen on the earth, what disaster will it face?

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Its importance is self-evident. It’s a colorless and tasteless gas that we can’t see or touch at all, but it’s everywhere. The whole atmospheric circulation system can only be produced by the circulation of air, and the photosynthesis of plants can also produce oxygen. Some people have raised such a question, what will happen if the oxygen on the earth suddenly disappears?

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In fact, you can guess that even if there is no oxygen for 5 seconds, all creatures will suffer. Why do you say that? In fact, many people have the hobby of swimming. It’s OK to hold in the water for a few minutes without breathing, but other creatures can’t. On the earth, there are not only human beings, but also other creatures. The role of oxygen is of great significance, and oxygen is indispensable all the time.

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If the oxygen suddenly disappears, the sky will be lack of oxygen and no matter to block the sun’s irradiation, it is easy to cause skin cancer, human skin is extremely fragile, once the sun directly shines on the skin, it will cause a burst of tingling, if it is too serious, it will cause skin cancer. In addition, the color of the sky will also change, the original blue sky becomes gray, because the lack of oxygen particles refract the sun’s light, so it can not reflect so clear blue.

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If the pressure of the oxygen in the ground and the oxygen in the ground is not stable, the pressure of the oxygen in the ground and the oxygen in the ground will be very small. So all living things on earth can’t do without oxygen, which is as important as water. It’s almost unbearable for human beings for one second, let alone five seconds. Its existence makes the earth maintain this harmonious relationship. What else do you know about oxygen? You can leave a message for interaction.

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