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During the experiment, the temperature gradually became lower.

One day when Ye Xi went outside the stone house to observe the star algae that was placed at the tuyere, he witnessed the first freezing rain this year.

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

The cold water drops from the sky, and when it falls on trees, stone houses, and the ground, it immediately condenses into ice.

As the freezing rain kept falling, the green trees were gradually wrapped in ice, like ice sculptures. There are ice bars hanging under all the branches, and the trees are turned into glass works of art, amazingly beautiful.

When freezing rain fell on the ground, it was like dripping wax, instantly forming a thin layer of ice on the ground. The ground was gradually covered by ice, and it was slippery when stepped on it.

Naturally, there was a lot of freezing rain on the water, but the surface of the water was not covered by ice, only thin ice floating, which kept swaying with the waves.

After this freezing rain, the temperature dropped to below zero in an instant, and when Ha, he breathed in a state of white mist.

The Tushan people all changed into thick animal skins, put on animal skins to wrap their feet, and put on animal skin hats. Except for the soldiers who occasionally went out of the stone house for activities, all of them did not go out much.

Ye Xi thought that this was considered the terrible cold in the legend, but according to Zhui and the others, it was not considered to be really cold until the "big cold wave" came.

How cold is it? 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, star algae prefer to live in a warm place, the closer the star algae to the fire pond, the better.

Second, star algae are not sensitive to light. There is no difference between star algae placed in a stone house and star algae occasionally basking in the sun.

Third, star algae prefer to eat fish meat compared to other foods. A kind of gray-blue fish is especially popular with them.

After getting these results, Ye Xi repacked all the star algae in a pot, placed them next to the firepit, and fed the gray-blue fish meat from time to time.

Surprisingly, after five days, a small packet of four star algae bulged up.

Ye Xi knew that this was about to split.

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

Ye Xi was very happy, watching 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 star algae became increasingly dimmed.

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

You know, although the star algae didn't do much to him, after seeing Wu ate the nine star algae, he felt a lot more energetic, and the wrinkles on his face seemed to be less. Even Wu said that he felt better. So Yexi, who can't do experiments now, is all given to the witch.

After a few days, the light of the newly split four small star algae gradually dimmed. And after so many days, the light of other undivided star algae has also dimmed a lot.

——Everything agrees with Tang.

Sure enough, star algae is not easy to raise.

Ye Xi was sitting cross-legged next to the fire pond, looking at the pot of star algae whose activity had dropped a lot, feeling a little unwilling.

After some tossing, there are now only nineteen left.

He has tested the most feasible and reliable conjectures, and he can't put all the outrageous conjectures in his mind that cannot be done into action. After all, Star Algae is limited and the resources in hand are also limited.

"call……"

Ye Xi exhaled, stood up, and walked out to get some breath.

Ye Xi still wore that thin snakeskin suit, but only wore a thin animal skin cloak on the outside.

This snakeskin suit was poked into two holes by the water monster, and there was usually wind pouring in from the hole. Ye Xi looked for the pheasant and applied two patches with similar colors of animal skins, and put them on again.

In this kind of low temperature weather, the thin snakeskin clothes and thin animal skin cloaks obviously can't protect against the cold, which makes people feel chilly at first glance.

But Ye Xi is a second-level fighter, and after so many days, his body has completely recovered. This temperature doesn't affect him much, it just feels a little bit chill.

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

Ye Xi walked to the cave where the Jiao Jiao was placed, and removed the rock blocking the entrance of the cave.

The Jiao Jiao, who was asleep inside, didn't move, and didn't mean to wake up.

Fearing that the Jiao Jiao would freeze to death in the cold, Ye Xi took some hay from the goat and spread it around the cave wall.

After laying the hay, Ye Xi recovered the rock.

Thinking of not feeding the big octopus for a few days, Ye Xi started looking for bugs everywhere in the mountain. He found that there were a lot fewer insects on Xiaotu Mountain. The blue-purple flying insects hanging under the branches became sparse, and the wings did not tremble much, and they looked very spiritless.

After searching for a long time, he finally found a larger ladybug under a rock and caught it and prepared to send it to the big octopus. When he finally walked to the mountainside, he found that the octopus school at the mountainside had disappeared without a trace. No one is left.

——The big octopus that couldn't be driven away by all means, suddenly disappeared.

Ye Xi could not tell what it was like, and silently dropped the ladybug and walked to the top of the mountain.

The lucky ladybug fanned its wings quickly, found a pit, and slammed into it and stopped moving.

Ye Xi walked slowly to the edge of the cliff.

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

The water surface at this time became much quieter. Although it is not raining now, the water is quiet, no big fish leaped out of the water, and no long-necked dinosaurs protruding from the water.

Ye Xi moved his gaze to the distance and found that even the brown hill he suspected of being a creature was gone.

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 he just turned around and suddenly turned back like he had discovered something.

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

Ye Xi took a step forward in shock, widening his eyes and carefully watching the scene before him.

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

The water is frozen!

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

But after this ice layer has frozen the entire surface of the water, it doesn't stop! Layers of ice are piled up, and there are thick piles of ice like small hills on the shore.

Ye Xi seemed to hear the creak of Bingling.

Then in Ye Xi's stunned gaze, the white color actually spread over 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 stepped back reflexively.

But immediately stopped.

When the hoarfrost touched his feet, even Ye Xi, who had become a second-level fighter, shivered with cold, and a chill penetrated into his bones.

But in Ye Xi's wide-open eyes, the hoarfrost immediately condensed into ice as soon as it touched his legs, and it spread quickly up his legs!