Smart Answers

1. What to do with the ground when digging the subway? Metro digging to a depth of 50-70 meters. The land there is good quality, so it is used under the ground during the construction of housing estates, or fall asleep in the ravines in paving roads. Another thing is digging mines. The earth at a depth of several kilometers has a large concentration of sulfuric acid and ammonia and is able to kill all living things, to join with her in prolonged contact. For its "laundering" create artificial mound, called piles. Land reclamation is held within 20-25 years and then living out his life all in the same ravines and beds. 2. Do I need my passport, if a person had plastic surgery? Under the legislation, one of the points that provide a replacement passport is a change of appearance: dramatic weight loss or obesity, radical haircut or change of color of hair and plastic surgery. Be like your photo in the passport, and so is not always possible, and if everything else to change the shape of the nose, hollow cheeks upload a silicone, it can cause trouble with the law: need help to carry out plastic surgery clinics. Therefore, to avoid the passport is better to change. 3. Why is an unknown symbol is X? And in the equations, and in the title of the series "X-files», and movies XXX-video is present XXX. Back in the XVII century, Rene Descartes took the first three letters of the alphabet to denote constants (A, B, C) and the last three letters to denote variables (X, Y, Z). After Descartes really so historically, that X is not only became the head of all the unknown, but also adds to the words, to emphasize the importance and value of their mystery. 4. Is Aching head deer, goats and other holders of antlers after fighting? Concussion have horned animals after fights do not happen. In horned profound adaptation to the horns. The skull is designed so that the animal does not feel pain during ritual fights for the female. Horn even help sheep and mountain goats move: while jumping horns, they are repelled from the walls, thus turning the body. Another thing - a simple headache. At any animal it is, but it is not connected to the device of the skull. 5. Can the formulation of words in the sentence to determine the sex of the interlocutor? Now I tell what to do in a situation where the floor to identify the interlocutor does not help even the location of stars. Men usually arguments appeal to logic and facts, while women prefer to reinforce reflections arguments resting on emotions and their own flair. That is, women tend to complete, complete sentences, often stuffed with emotional adjectives ("fantastic", "extraordinary") and exclamations ("Wow!", "Ah"). Men prefer to use more verbs and nouns. And further. If she did not describe her dress, you would probably say that it is "gray" rather than blue-beige with splashes of pale spots. In describing the color, she draws attention to the color and other details. To be sure, Get into a conversation on a narrow topic: men tend neologisms, inventing nicknames and name calling. especially when they can not remember the name of "this one hrenoviny." I hope you helped my answer to this question, for example, when you will communicate on ICQ or doubt the truth of profile data to "facebook". 6. I Will Survive by jumping out of a plane into the ocean, flying at an altitude of 1000 meters? You have no chance to survive. You'll enter the water at a speed of 200 km / h and just break it on the waves. Surely you felt pain when jumping into the water belly down. So, the larger the area and the higher the speed of the fall, the more powerful your shot. However, if we are talking about 200 km / h, you will not save even the fact that he will enter the water "soldier." Incidentally, when the wakeboarder to break the rope and fall, it is the athletes fly over the waves like on asphalt, on their body are impressive abrasions. 7. Why is suffering from amnesia, do not forget the language and are able to talk? Formation of speech occurs in humans up to 6 years. Thus, language skills is the core of the individual and is protected: the area responsible for it, are located deep in the bottom of the parietal lobe of the brain. Besides, when it comes to speech, the two hemispheres are able to duplicate each other in serious injuries. If one hemisphere suffers, the second takes over vital functions, including speech. Memory is located almost on the surface of the cortex, it is less protected, and therefore disabled when amnesia. Now doctors can save the patient's brain. However, the patient usually does not remember who he is and what his name is, and some nonsense. 8. If I tie his hands and file a current to the bar, I pull up more? If you think that the muscles of the current must be reduced, alas, can not. In a simple tightening involved at least thirty muscles. If you isolate the current file on each of them, the people (in theory) be able to catch a few times, and then either lose consciousness or survive clinical death - depending on the strength of electric shocks. However, to isolate each muscle and fix electrodes on it will be problematic. And if you just apply to the current bar, the decline will be all the muscles, including the antagonists. So people will just hang slightly twitching until he dies. 9. There are bears, connecting rods, and can be hedgehogs, connecting rods, are they dangerous? Friendship insomniac bear and a hedgehog, brilliantly illustrated Norshtein m / f "Hedgehog in the Fog" is a science-based. Hedgehogs can be rods, that is, suffer insomnia winter and wander through the woods in search of food. Most often united and hungry army of hedgehogs, rods, moving the needle to the needle intrudes into the den of bears or, say, sheds and there are usually asleep, clean up other people's food reserves. Bear or the owner of the barn are, thankfully, intact. Of course, unlike bears hedgehogs badly adapt to changes in the weather: if severe frosts suddenly will catch nomads, their chances of survival are zero. 10. What to do with the eyes, to a cat, to see in the dark? I must admit that none of the cat in good faith will not agree to give up their eyes for transplant. And other ways not. The fact that the human retina has two kinds of visual education. One, called cones, perceive the shape and color of the objects. Other sticks, also called machine twilight vision, distinguish light and shadow. So, in the rods contained visual purple (rhodopsin), which splits the light. As soon as we have the darkness envelops, rhodopsin begins to accumulate and increase the sensitivity of the eye. The retina of mammals, nocturnal (cats just because of these), consists mainly of sticks and daytime animals (like humans)) - from cones. Change the ratio of the rods and cones in the human retina is impossible. If supernatural powers cats cause someone to envy, incompatible with life Try eating a carrot. Carotene contained therein improves night vision, affecting the speed of production of rhodopsin. After the carrot diet can certainly learn to find a black cat in a dark room, even if it is not there.

Source: mirfactov.com/