A 00-year-old man meets online love in person. I am really a post-XNUMXs

Su Qingluan thought for a moment and said, "How about this? We can isolate a certain area, but in this area, we must remove all the air! That is, create a vacuum! In this situation, there will be no air. Let's try it and see if we feel cold in this vacuum!"

A hint of determination flashed in Su Qingluan's eyes; she felt this was currently an effective way to verify whether the cold was caused by air.

When Su Qingluan said this, everyone nodded in unison.

If the air is in a vacuum, then it can be determined whether the air is the cause of the cold.

Lin Tianchou said, "Miss Su Qingluan, this is a good idea, but creating a vacuum area is not easy. We need to work together to cast a powerful restriction."

Yu Jiaoying nodded: "That's right. Moreover, in this far north, the circulation of spiritual energy is also affected, so we need to be even more careful."

Xiaoqi said excitedly, "Then let's get started quickly, I want to know the result too."

So, everyone began to act. Su Qingluan, Lin Tianchou, Yu Jiaoying, and several other people with relatively strong spiritual power stood around and began to cast a restriction. They formed hand seals and chanted incantations, and streams of spiritual power surged from their palms and gathered together.

The old ice bird and the old polar bear were not idle either; they used their strength to protect everyone and be vigilant against any potential dangers around them.

Yun Feifei assisted Su Qingluan by slowly channeling her spiritual power into the restriction, enhancing its strength.

As everyone continuously poured their spiritual energy into it, a transparent barrier gradually formed and continued to expand. This barrier isolated the surrounding space from the outside world, like a giant transparent dome.

Next, Su Qingluan and Lin Tianchou simultaneously cast spells, slowly drawing the air out of the barrier. The air within the barrier formed streams of air that were gradually drawn away.

When the air inside the enclosure was almost completely sucked out, reaching a near-vacuum state, everyone stood inside nervously, feeling the temperature around them.

Xiao Qi stared wide-eyed, carefully sensing the cold. After a while, he exclaimed in surprise, "It's not that cold anymore! But I still feel a bit chilly!"

Everyone frowned upon hearing Xiao Qi's words. Su Qingluan said, "It seems that the cold is not entirely caused by the air, but the air does have an effect on the cold."

Lin Tianchou nodded: "Then we need to rethink the true source of this cold. Since it's not entirely due to the air, there must be other factors at play."

Yu Jiaoying suddenly spoke up, "Wait a minute, don't rush to conclusions. Take a good look at yourselves. Although it's still cold around us, it seems that we don't need to allocate too much internal energy to maintain the warmth of our bodily functions anymore! It seems like we're getting better!"

The old polar bear said, "The area is still very cold. Is it because the temperature was already low to begin with, and even after removing the source of the low temperature, it can't lower the temperature further?"

The old ice bird nodded and said, "I feel it too. It seems we don't need as much true energy to maintain our body heat anymore!"

,

Everyone heard this.

I also really got to experience it.

Everyone chimed in, "Yes, that's right."

Now there's no need to use internal energy to keep warm.

The cold no longer relentlessly assails everyone.

This discovery brought both relief and confusion to everyone.

Su Qingluan walked in the middle of the vacuum zone, using a secret cultivation technique to allow herself to walk for a short period of time without breathing air.

But as everyone knows.

This cannot continue.

Even those who cultivate immortality still need to breathe air.

It's just that the intervals are much longer than those of ordinary people.

People of Su Qingluan's and Yun Feifei's level can go without breathing for a few hours, but after half a day or a day, it becomes extremely uncomfortable.

People like Lin Tianchou or Yu Jiaoying can go ten days or half a month without breathing.

But no matter what, we still need to breathe.

Su Qingluan said, "If we can find Kunlun Mountain in a short time, then this method can indeed completely solve the cold. However, we will need to go out and breathe air in a few hours! When we go out to breathe air, if we open the entrance to this area, air will rush in again, and we will need to use our spiritual power to extract the air! It will be very troublesome! So, now that we have confirmed that air is indeed the real reason for the cold, we need to find out the real reason!"

Yun Feifei frowned and began to think. "Since it's due to the air, we first need to know what's in the air and what it's composed of!"

Faced with this question, Su Qingluan once again demonstrated her academic prowess, and she spoke up,
"In the normal world, air is mainly composed of nitrogen, oxygen, carbon dioxide, rare gases (such as argon, neon, helium, etc.) and other trace gases and impurities."

Nitrogen makes up about 78% of the air by volume; it is a colorless and odorless gas with relatively stable chemical properties. Oxygen accounts for about 21% and is essential for the respiration of most living organisms; it also participates in oxidation reactions such as combustion. Carbon dioxide accounts for about 0.04% and is an important raw material for photosynthesis in plants, while also having a significant impact on the Earth's greenhouse effect. Although rare gases constitute a very small proportion of the air, they have important applications in some specialized fields such as lighting and electronics.

Yun Feifei frowned and said, "Could it be the effect of these oxygen, nitrogen, or rare gases that caused the cold?"

Su Qingluan shook her head. "I don't know. This is just what I know about the components of air in the ordinary world!"

Dear friends, I am like an explorer striving forward in the world of online novels, always working hard to present you with wonderful stories. Now, I sincerely hope to receive your valuable monthly tickets and recommendation tickets.

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