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During the experiment, the temperature gradually became lower.

When Tianye Xi went outside the stone house to observe the star algae placed in the tuyere, he saw with his own eyes the arrival of the first freezing rain of the year.

Freezing rain is a catastrophic weather that existed in the original world.

Droplets of water that braved the cold air fell from the sky and immediately condensed into ice when they fell on trees, stone houses, and the ground.

As the freezing rain continued to fall, the trees that were still green were gradually wrapped in ice, like ice sculptures. Under all the branches hang ice bars, and the tree statues have been turned into glass artworks, which is stunningly beautiful.

When the freezing rain falls on the ground, it is like dripping wax, and a thin layer of ice crust is formed on the ground in an instant, and the ground is gradually covered with ice, and it is slippery to step on.

Naturally, there was a lot of freezing rain on the water, but the surface of the water was not frozen in ice, only a thin layer of ice floated, swaying with the waves.

After this freezing rain, the temperature instantly dropped below zero, and it would condense into a state of white fog when it reached Ha.

The Tushan people all changed into thick animal skin clothes, put on animal skin to wrap their feet, and put on animal skin hats, except for the occasional stone house activities of the warriors, they did not go out much.

Ye Xi thought that this was the legendary terrible cold, but according to them, this was not enough, and it was only called really cold when the "Great Cold Wave" came.

How cold does that have to be? Ye Xi smacked his tongue.

Although the temperature dropped during the experiment, anyway, after this period of experimentation, the results have come out.

Experiments have proved that, first, the star algae prefer to live in a warm place, and the closer to the fire pond, the better the state of the star algae.

Second, the star algae is not sensitive to light, and there is no difference between the star algae placed in the stone house and the star algae that occasionally basks in the sun.

Third, star algae prefer fish meat to other foods, and a gray-blue skin fish is especially popular with them.

After getting these results, Ye Xi put all the star algae back in a pot, placed them next to the fire pit, and fed the gray and blue fish from time to time.

Surprisingly, five days later, a small bag bulged out on the sides of four star algae.

Ye Xi knew that this was going to split.

Sure enough, after three days, new, smaller star algae were completely split.

Ye Xi was very happy, and he had to watch it several times a day.

But the good times didn't last long, and the light of the four parent star algae that split the nova algae became dimmer and dimmer.

When the star algae completely loses its light, it means that it is dead. Seeing that they were dying, Ye Xi hurriedly sent them over to Wu before they died.

You must know that although this star algae has little effect on him, after he saw that Wu ate the nine star algae, his whole person was a lot more energetic, and the wrinkles on his face seemed to be less. Even Wu himself said that he felt that his body had gotten better. So now the star algae Ye Xi who can't do experiments is all given to Wu.

After a few days, the light of the newly split four small star algae gradually dimmed. And after so many days, the light of the other star algae that had not split has also dimmed a lot.

- Everything is in line with what the soup said.

Sure enough, star algae is not easy to raise.

Ye Xi sat cross-legged next to the fire pond, looking at the pot of star algae whose activity had decreased a lot, and felt a little unwilling.

After some tossing, there are now only nineteen left.

He has already tested the most feasible and reliable conjectures, and he can't put into action all the outrageous conjectures in his heart that can't be done. After all, the star algae are limited, and the resources in hand are also limited.

"Hoo ......"

Ye Xi exhaled, stood up, and walked out of the house to breathe.

Ye Xi was still wearing the thin snakeskin coat, only a thin layer of animal skin cloak on the outside.

This set of snakeskin clothes was poked two holes by the water monster, and usually the wind poured in from the hole, Ye Xi looked for a pheasant to use a similar color of animal skin to make two patches, and put it on his body again.

In this kind of low temperature weather, the thin snakeskin clothing and thin animal skin cloak obviously do not play a role in protecting against the cold, and people feel cold at first glance.

But Ye Xi is a second-level warrior, and after so many days, his body has completely recovered, and this temperature does not have much effect on him, but he just feels a little chilly.

Yesterday was a sunny day, the rime melted a lot, and the ice shell on the ground was temporarily gone.

Ye Xi walked to the side of the hole where Jiaojiao was placed, and moved away from the rock blocking the entrance of the cave.

The Jiaojiao sleeping inside did not move, and there was no intention of waking up.

Afraid that the weather would be cold and Jiaojiao would freeze to death, Ye Xi brought some hay from the female goat and spread it on the cave wall.

After laying the hay, Ye Xi re-covered the rocks.

Thinking that he hadn't fed the big octopus for a few days, Ye Xi began to look for bugs everywhere in the mountains. He found that there were many fewer insects on Xiaotu Mountain, and the blue-purple flying insects hanging under the branches of the trees had become sparse, and their wings were not shaking much, and they seemed very unenergetic.

After rummaging for a long time, he finally found a large ladybug under a rock, caught it and prepared to send it to the big octopus, but when he walked to the mountainside, he found that the school of octopuses on the mountainside had disappeared without a trace, and there was not a single one left.

- The big octopus, which was not chased away by all means, disappeared so suddenly.

Ye Xi couldn't tell what it was like in his heart, so he silently threw down the ladybug and walked to the top of the mountain.

The lucky ladybug was pardoned, its wings flapped so fast that when it found a pit, it plunged into it and did not move.

Ye Xi slowly walked to the edge of the cliff.

Standing on the boulder on the edge of the cliff, Ye Xi looked into the distance.

At this point, the surface of the water becomes much quieter. Although it is not raining now, it is quiet on the water, no big fish have jumped out of the water, and no long-necked dinosaurs have poked their necks out of the water.

Ye Xi's gaze moved into the distance and found that even the brown hill that he suspected was a creature was missing at this time.

Everything is bleak.

On the top of the mountain, Ye Xi, who had been breathing for a while, was about to return to the stone house, but as soon as he turned around, he turned back violently as if he had found something.

I saw that the water surface in the distance was covered with white, like a white tide, quickly outflanking in the direction where I was!

Ye Xi took a step forward in shock, and looked at the scene in front of him with wide eyes.

The white color gradually spread, and Ye Xi could quickly see clearly that this white was the ice surface.

The water is frozen!

The ice covered extremely quickly and soon spread to the waters near Xiaotu Mountain.

And after the ice had frozen the entire surface of the water, it did not stop! The ice cubes were stacked on top of each other, and a thick pile of ice cubes like a small hill appeared on the water's shore.

Ye Xi seemed to be able to hear the clattering sound of ice cubes.

Then, in Ye Xi's stunned gaze, the white color actually spread to the mountain! It quickly spread along the mountain to Ye Xi's feet. On the ground at the top of the mountain, a layer of hoarfrost quickly condensed!

Ye Xi reflexively took a few steps back.

But then he stopped.

The moment the white frost touched his feet, even Ye Xi, who had become a second-level warrior, shivered with cold, and a chill penetrated into his bones.

And in Ye Xi's widening eyes, as soon as the hoarfrost touched his legs, it immediately condensed into ice, and quickly spread up along his legs!

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