How would plants carry out photosynthesis if there was no carbon dioxide in the atmosphere?
As carbon dioxide levels decrease, plants will die in large numbers, which will directly lead to the extinction of herbivorous animals and further affect carnivorous animals.
In addition, without photosynthesis, the amount of oxygen on the blue planet will also decrease.
So, when will such a change occur?
Changes in celestial bodies are always long-term, and they speculate that the sudden decrease in oxygen on the Blue Planet will occur in about 1 billion years. During this 1 billion years, the atmosphere of the Blue Planet has not changed much.
But once the critical point is reached, everything will progress very quickly. Within 10,000 years, oxygen levels will drop sharply, leading to a qualitative change from a quantitative change.
As oxygen levels decreased, ozone also began to decrease, leading to the gradual disappearance of the blue planet's ozone layer. The ozone layer is an important shield against some radiation. When the ozone layer disappears, the sun's ultraviolet rays will further harm the blue planet's creatures.
High temperature, lack of oxygen, drastic changes in the atmosphere, terrifying radiation... Under these factors, humans, animals and plants on the blue planet, whether living on the surface or underwater, will face a catastrophe and gradually die out.
In some dark places, only some tenacious microorganisms remain. By that time, the blue planet will return to billions of years ago and be ruled by microorganisms again.
As the saying goes, listening to one word from a wise man is worth ten years of reading. Su Leyan is not talking nonsense. There are traces to follow for many things.
"It's understandable that humans can't react to sudden changes in the environment and thin air. Over time, they'll slowly adapt. Furthermore, humans now possess mutants that can adapt well to any environment. It's just a matter of time, so don't worry!"
"But there are more than a dozen people in the psychic army..."
Su Leyan interrupted him and explained, "This is normal. It will be fine after this period of time. Humanity will eventually have to adapt to this world. Instead of worrying about it, we should find a way to get Blue Planet back on track. This is the most important thing right now!"
"I remember that before they left, every soldier wore a thermostatic suit. Even if the temperature was minus 200 degrees, they would still be safe and sound. As long as they can adapt, they will be fine!"
"Since Miss Su said so, Captain Su and the others will definitely be fine!"
"I also believe that Miss Su would not joke about the lives of soldiers!"
The Blue Star has existed for billions of years and is rich in resources. It is impossible for them to guard the energy shield and not go out. The ones who go out to look for resources must be the legion of superpowers. It is also a benefit for them to adapt to this extreme weather in advance.
It’s just that due to weather reasons, the helicopter cannot be started. Should we send someone to pick it up?
"Don't worry about that. The helicopters at the base have all been modified. They have two systems. If the first system doesn't work, we can just replace it. Don't worry, everyone. I'll call Captain Su later, and they'll be back soon!"
The meeting lasted for nearly an hour. The matter of Blue Planet's orbit was of great importance, and Dawn Base would not conceal it. As soon as the report was submitted, the Capital Base immediately called to confirm.
Su Leyan knew this matter very well, and the report took another two hours.
Mr. Su was still convinced by Su Leyan's report, but the Academy of Sciences still needed to confirm that this matter was of great importance and could not be solved by Xia Country alone.
If the orbit of the blue planet really deviates from the solar system, it is not an easy task to pull it back. It cannot be accomplished by one country alone. It requires mutual cooperation among countries!
…
"Luckily, we have the energy vests Miss Su gave us, otherwise, with this awful weather, we would have frozen to death!"
"The temperature has suddenly dropped so much. Blue Planet is really in great trouble!"
"In fact, in the first few days after the apocalypse, the climate changed drastically, forming two extremes. Although the temperature isn't as high as this, it's pretty close. We'll have to learn to adapt sooner or later. If we didn't have constant temperature clothing, would we be facing death directly?"
"No matter what, as the old saying goes, man can conquer nature. As long as we work hard to adapt to this world, even in a bad environment, we will be able to survive."
"How could those zombies be so lucky? We were about to blow them all up when nature caught us off guard and we nearly lost everything!"
They were bombing the zombie army over K City, and the zombie army in K City had been almost wiped out by them. Unexpectedly, the environment suddenly changed and the helicopter's engine froze instantly.
If they hadn't used their special powers to hold the helicopter together, the helicopter would have been destroyed and everyone on board would have died!
More than ten people in the team died suddenly for unknown reasons. If Captain Su hadn't reacted quickly, they would have followed in the footsteps of their comrades!
After more than half a year of Thunder Operation, more than half of Xia Country's zombie army has disappeared. The strange thing is that in the past six months, they have killed countless low-level zombies, but not a single high-level zombie has been seen, as if they were deliberately avoiding them.
"The captain is back!"
"team leader!"
The originally lazy crowd stood up instantly, as if the complaints just now were not made by them.
"Captain, should we continue chasing the zombies?"
"The helicopter is now ready for use. The commander asked us to return to the base first. We'll discuss other matters later!"
"But the zombie army in City K has been almost completely wiped out. Are we sure we shouldn't pursue them?"
"Go back first!"
"yes!"
Not only Su You's team, Qi Shengxun, Xi Luling and others also brought their teams back to the base.
The zombies in South China have basically been wiped out, and there are only a few scattered zombies left, which is nothing to be afraid of. Since the leader asked them to return to the base, they will obey orders.
There has been a lot of discussion on the Internet about the sudden change in global climate. After the outbreak of the end of the world, their hearts were filled with fear, and some even believed that this was the last struggle of mankind. The statements of survivors from various countries were even more varied!
"Oh my God! Even if we escape the mutated zombies, humans still can't escape the changes in the natural environment. This damn weather is horrible!"
"The global climate isn't uniform. We experience spring, summer, autumn, and winter every day. Why is it so strangely uniform now? I heard the global temperature is now minus 90 degrees Celsius. Oh, that's terrifying. Where does human survival lie?"
"From the first day of the apocalypse, humanity's survival is already in jeopardy. Humanity's demise is only a matter of time, just like the dinosaur era and the Ice Age billions of years ago. Human civilization is also headed for extinction!"
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