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Since I was very young I have had this doubt: has the weight of large cities, with everything that exists in them, affected the balance in its movements of our planet Earth?

A. The weight of buildings, equipment, machinery and humans affects the Earth as it puts pressure on the earth’s crust and since we have a molten core that is surrounded by semi-liquid magma, this weight tends to cause an imbalance in the distribution of the weight of the Earth. The Earth’s content is kept in equilibrium by cycles called isostatic adjustments. This is geography. The job of these natural adjustments is to distribute the weight, and therefore this additional weight of the city leads to an equal mass below it being distributed elsewhere. Isostatic adjustments cause minor and major earthquakes. They are also associated with the tectonic movement of the plate on which the continents lie. So if a city is big enough and heavy enough to trigger these adjustments, then somewhere else on the planet this effect will be felt as mass is distributed on that side to compensate.


Do probiotics work or are they a joke?

A. Our intestines, especially the large intestine, are populated by billions of microbes. That’s a good thing: we’d be a lot less healthy without them. But while scientists may blame certain ailments for problems with our gut bacteria, there’s still no definition of what constitutes a “healthy” population of gut microbes.

That’s right, all those influencers claiming to “heal your gut” and all those yogurt companies pushing their probiotics are stabbing in the dark. The bacteria in probiotic products don’t even live in our intestines long term; they just pass. We may be better after the visit, but it’s hard to know why. It is possible to take a sample of a person’s gut microbes and tell which species are present, but we don’t know which species should be there, and in most cases we can’t tell from such a test whether the person is more prone to disease. digestive or not All we know is that there are many ways to have a healthy gut.


I understand that there is a type of sentence that, when carefully analyzed grammatically, loses its meaning, and is known as an esher sentence. Can you explain and give me some examples of these? Are they like oxymorons?

A. Don Fern-Nando, the word you are looking for is Escher. Maurits Cornelis Escher was a Dutch graphic artist known for his hyper-realistic artworks often depicting a bizarre optical illusion (do a Google search under Escher and you will find and identify them) and who was also influential in the world of semantics. Escher sentences are sentences that sound and look grammatically correct, but when you look closely, there is no well-defined context. This is also called illusions. Even so, upon close observation, there doesn’t seem to be a well thought out meaning. This has been a passionate topic in linguistics for years, though it still lacks comprehensive exploration. The term, ungrammatical, simply means grammatically incorrect. Example: the sentence “more people have been to Russia than me” may be acceptable, but what makes it inconsistent is the use of the plural subject in the first clause and singular in the second clause. To make sense of this sentence, the second clause must be in the plural form. Here I share other examples: * More people have gone to different countries than me. * More houses were built on that side of town than here. * More people have been to Berlin than me.

* More people have analyzed it than I have. For homework, Don Fern-Nando, I ask you to analyze the grammatical composition of these.

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