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There are currently three major theories about the disappearance of water on the earth.
One is the theory of Japanese scholars. Some Japanese scholars believe that the earth's water is leaking deep into the earth, and eventually the earth's water will disappear.
The second is the theory of American scholars. An American scholar believes that when the Earth's stratosphere temperature rises to 140 degrees Fahrenheit, the Earth's water will enter the stratosphere, where it will ionize into hydrogen and oxygen, and hydrogen will escape the Earth. Eventually, the Earth's water will disappear.
The third is the theory of Chinese scholars. A Chinese scholar believes that the earth's water is disappearing due to the presence of algae that absorb water and make hydrogen, and because other plants absorb water and nutrients to form carbohydrates. The Chinese scholar also believes that there are other ways for the earth's water to disappear, and for example, the emergence of the ozone hole disrupts the normal atmospheric water cycle, causing the earth's water to cross the troposphere, enter the stratosphere, and even enter the stratosphere, forming a special atmospheric water cycle in which the earth's water disappears.
The theory of Japanese scholars is that water is leaking, not that water is disappearing, and the theory of American scholars is the catastrophe of the future world, and the theory that can explain phenomena such as rivers about to break off and the water table is decreasing, and it should be said that only Chinese scholars have the theory that the earth's water is disappearing.
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I've never heard of anything like this!
Can you provide a source?
If so, it may be a change in form.
It's not a liquid form, it's probably solid.
Like on the Moon and Mars, and even on comets, water may exist in the form of ice.
Strictly speaking, the water on the earth is indeed disappearing, but this disappearance is not due to the evaporation of water, as some friends say above, because no matter how the evaporation water is still circulating within the earth, and the disappearance refers to the fact that the water no longer exists on the earth.
Here's why the water disappears:
As we all know, water will be evaporated into the atmosphere, and the water in the atmosphere will be decomposed into hydrogen and oxygen under the action of high-energy particles in the universe, due to the small density of hydrogen, some hydrogen will gradually escape to the top layer of the atmosphere, until the escape layer, at this time, the earth's gravity will not be able to attract these tiny particles, and they will disappear in the vast cosmic space (of course, it will not really disappear, it may be captured by other stars or something else), so that the total amount of hydrogen on the earth is constantly decreasing, and as a result, the water is also decreasing.
Of course, if the "extraterrestrial visitors" who fall from outer space to Earth (as my friend said above, comets are the best source of water) can bring enough water to counteract the disappearance of water caused by the escape of hydrogen, then there is no need to worry about whether the water will disappear (although if the comet falls, what will happen to the Earth is not clear), but there seems to be no quantitative result on this question yet.
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