Why are there times that we are reflected in the water?
In occasions when we are in some he/she laughed or lake is reflected our image in the water.
This happens because the light of the sun that arrives to the water is distributed in three ways.
A part is absorbed in form of heat.
Another part crosses it, straying.
To this phenomenon he/she is called refraction.
And it finishes it part he/she is reflected.
The reflection takes place since in the surface of the water this he/she behaves as a mirror.
When the water this in calm, many times we can see our image sharply reflected in the water.
Why is the sun of half night visible?
The action of the sun on the surface terrestrial taking their maximum intensity in the equatorial regions, falling progressively in address to the poles, in those that you grieve notices the change.
The sun of half night is visible because, as the axis of rotation of the earth it is not vertical, but oblique, during the period of solstice of each pole the sun stays visible uninterruptedly during the 24 hours of the day.
The solstices are those moments of the year in those that the sun reaches its maximum southern position, the name it comes from Latin and it means still sun.
Because the silver is darkened? what I always wonder
The cutleries, jewels and other silver objects are darkened with the step of the time, it is necessary to clean them so that they recover their previous aspect again.
The silver is a noble metal for that that not that he/she doesn't react with the other elements, it cannot be oxidized.
So much the gold, as the platinum and the silver is noble metals, for the little interaction that you/they have with the other substances, although that doesn't mean that they don't react.
The silver is not oxidized, he/she doesn't react with the oxygen of the air, but if it is darkened because he/she reacts with the sulfur that is in the atmosphere with the form of I sulfurate of hydrogen, a gas product of the combustion of the coal and of the petroleum.
The silver when reacting with the sulfur, is formed I sulfurate of silver that steams up the silver.
With the time he/she leaves darkening, the light also speeds up the process, since the temperature facilitates the reaction.
Why do the bees produce honey?
The society of the bees this compound one for, it reigns, worker and drones.
Those in charge of producing the honey are the workers.
They manufacture it with the nectar of the flowers and a special saliva that it segregates the insect. The honey for that it is the food that you/they use to feed the larvas during its first periods of life, take place they also take it the mature bees in the winter times.
People also take advantage of this product, since the honey is a very energy food and it contains many vitamins.
Why are there spiders of water they float?
To these spiders they are called hidrómetras, since they live and they feed of microscopic beings that it contains in the water.
They have a long and thin body and some very fine paws.
In the paws they have an oily substance that waterproofs them, that is to say that it allows you to stay dry.
This substance, independently of the superficial tension of the water, it acts like a membrane of sustentation, what not allows him alone to stay to it floats but rather they can slip swiftly on the surface of the water.
When there is something that gets scared them they slip quickly on the water to the aquatic skier's way.
Why insecticides are they used to kill the flies?
The flies are a little some insects pigs, because in the means in that you/they move they are muck-collectors, dirt, etc.
The man the combat to avoid unhealthy infections and the best means that he/she has been to combat them is the insecticide.
The insecticides are some chemical substances that don't affect superior animals, but that they eliminate the flies attacking mainly their breathing system.
They also threw insecticides in the cultivations to eliminate the insects that eat up the plants, but today in day less polluting methods they are used, since he/she was discovered that it was a serious danger of contamination for the vegetable foods.
Why do the cars need oil for their operation?
Besides the gasoline, the cars need oil for their correct operation.
The motor produces some explosions that originate gases, the force of these gases it impels a piece called piston.
The piston transmits the force until ending up being applied to the turn of the wheels.
The oil is necessary because, these pushes produce frictions and increases of temperature that could damage the pieces of the motor.
Mineral oil is used that lubricates them when introducing it among the pieces, allowing that they slip easily and this way to conserve them under good conditions.
Why do the cats always fall of foot?
The cats are very agile and they can be turned in the air, while they fall, trying that their point of graveness is centered.
Why do we dream?
The dream is a process for which the mind stays active, reviewing events that happened during the day, mixing them with memories of the past and creating new images. There are several stages in the dream. We have to sleep so that we can rest and we can recover of the waste of the day.
Why does it leave a scab on the wounds?
When you injure the skin, the cells sanguine called badges get ready to intervene, forming a clot that prevents that more blood flows to the exterior. This clot is formed by the badges and a called fibrous material Fibrina. Conform to it hardens the clot, he/she goes being formed the scab, of dark reddish aspect, which helps to maintain the far away germs and he/she offers to the skin the opportunity to go being regenerated under her.
Why do we sneeze?
The sneeze is the form that has the body of eliminating any irritation in the nose. When something bothersome in the nose a part of the brain receives the message and he/she sends an answer message to all the muscles that have to do with the sneeze: the abdominal muscles, the muscles of the chest, the diaphragm, the vocal chords, the muscles of the lids, etc.
Why the same hour is not in all the countries?
The broken Earth in their same axis. The time of rotation of the Earth has been divided in 24 intervals called hours. To fix when it begins and the rotation concludes he/she takes into account the moment in that the sunbeams fall perpendicularly on the Earth (there is hardly shade) and to this moment he/she is denominated noon or 12 of the morning. As the sunbeams they don't fall perpendicularly at the same time on all the countries, there are different schedules.
Why is the sky blue during the day?
The white light is made up of several colors. When penetrating the solar light in the terrestrial atmosphere he/she spreads adopting the blue color.
Why do we shiver when it is cold?
When it lowers the temperature, our body it begins to tremble with the purpose of generating caloric energy, mobilizing the muscles of the body.
Why do we feel the air if we cannot see it?
The air is formed by gases, among them the oxygen and the nitrogen. We don't see them because the molecules walk very separate some of other what allows the step of the light, but if we can feel it when it hits our face.
Why does the echo exist?
The sound is transmitted by means of waves. If these waves collide with something, they bounce toward the original place, to that which is denominated echo.
In occasions when we are in some he/she laughed or lake is reflected our image in the water.
This happens because the light of the sun that arrives to the water is distributed in three ways.
A part is absorbed in form of heat.
Another part crosses it, straying.
To this phenomenon he/she is called refraction.
And it finishes it part he/she is reflected.
The reflection takes place since in the surface of the water this he/she behaves as a mirror.
When the water this in calm, many times we can see our image sharply reflected in the water.
Why is the sun of half night visible?
The action of the sun on the surface terrestrial taking their maximum intensity in the equatorial regions, falling progressively in address to the poles, in those that you grieve notices the change.
The sun of half night is visible because, as the axis of rotation of the earth it is not vertical, but oblique, during the period of solstice of each pole the sun stays visible uninterruptedly during the 24 hours of the day.
The solstices are those moments of the year in those that the sun reaches its maximum southern position, the name it comes from Latin and it means still sun.
Because the silver is darkened? what I always wonder
The cutleries, jewels and other silver objects are darkened with the step of the time, it is necessary to clean them so that they recover their previous aspect again.
The silver is a noble metal for that that not that he/she doesn't react with the other elements, it cannot be oxidized.
So much the gold, as the platinum and the silver is noble metals, for the little interaction that you/they have with the other substances, although that doesn't mean that they don't react.
The silver is not oxidized, he/she doesn't react with the oxygen of the air, but if it is darkened because he/she reacts with the sulfur that is in the atmosphere with the form of I sulfurate of hydrogen, a gas product of the combustion of the coal and of the petroleum.
The silver when reacting with the sulfur, is formed I sulfurate of silver that steams up the silver.
With the time he/she leaves darkening, the light also speeds up the process, since the temperature facilitates the reaction.
Why do the bees produce honey?
The society of the bees this compound one for, it reigns, worker and drones.
Those in charge of producing the honey are the workers.
They manufacture it with the nectar of the flowers and a special saliva that it segregates the insect. The honey for that it is the food that you/they use to feed the larvas during its first periods of life, take place they also take it the mature bees in the winter times.
People also take advantage of this product, since the honey is a very energy food and it contains many vitamins.
Why are there spiders of water they float?
To these spiders they are called hidrómetras, since they live and they feed of microscopic beings that it contains in the water.
They have a long and thin body and some very fine paws.
In the paws they have an oily substance that waterproofs them, that is to say that it allows you to stay dry.
This substance, independently of the superficial tension of the water, it acts like a membrane of sustentation, what not allows him alone to stay to it floats but rather they can slip swiftly on the surface of the water.
When there is something that gets scared them they slip quickly on the water to the aquatic skier's way.
Why insecticides are they used to kill the flies?
The flies are a little some insects pigs, because in the means in that you/they move they are muck-collectors, dirt, etc.
The man the combat to avoid unhealthy infections and the best means that he/she has been to combat them is the insecticide.
The insecticides are some chemical substances that don't affect superior animals, but that they eliminate the flies attacking mainly their breathing system.
They also threw insecticides in the cultivations to eliminate the insects that eat up the plants, but today in day less polluting methods they are used, since he/she was discovered that it was a serious danger of contamination for the vegetable foods.
Why do the cars need oil for their operation?
Besides the gasoline, the cars need oil for their correct operation.
The motor produces some explosions that originate gases, the force of these gases it impels a piece called piston.
The piston transmits the force until ending up being applied to the turn of the wheels.
The oil is necessary because, these pushes produce frictions and increases of temperature that could damage the pieces of the motor.
Mineral oil is used that lubricates them when introducing it among the pieces, allowing that they slip easily and this way to conserve them under good conditions.
Why do the cats always fall of foot?
The cats are very agile and they can be turned in the air, while they fall, trying that their point of graveness is centered.
Why do we dream?
The dream is a process for which the mind stays active, reviewing events that happened during the day, mixing them with memories of the past and creating new images. There are several stages in the dream. We have to sleep so that we can rest and we can recover of the waste of the day.
Why does it leave a scab on the wounds?
When you injure the skin, the cells sanguine called badges get ready to intervene, forming a clot that prevents that more blood flows to the exterior. This clot is formed by the badges and a called fibrous material Fibrina. Conform to it hardens the clot, he/she goes being formed the scab, of dark reddish aspect, which helps to maintain the far away germs and he/she offers to the skin the opportunity to go being regenerated under her.
Why do we sneeze?
The sneeze is the form that has the body of eliminating any irritation in the nose. When something bothersome in the nose a part of the brain receives the message and he/she sends an answer message to all the muscles that have to do with the sneeze: the abdominal muscles, the muscles of the chest, the diaphragm, the vocal chords, the muscles of the lids, etc.
Why the same hour is not in all the countries?
The broken Earth in their same axis. The time of rotation of the Earth has been divided in 24 intervals called hours. To fix when it begins and the rotation concludes he/she takes into account the moment in that the sunbeams fall perpendicularly on the Earth (there is hardly shade) and to this moment he/she is denominated noon or 12 of the morning. As the sunbeams they don't fall perpendicularly at the same time on all the countries, there are different schedules.
Why is the sky blue during the day?
The white light is made up of several colors. When penetrating the solar light in the terrestrial atmosphere he/she spreads adopting the blue color.
Why do we shiver when it is cold?
When it lowers the temperature, our body it begins to tremble with the purpose of generating caloric energy, mobilizing the muscles of the body.
Why do we feel the air if we cannot see it?
The air is formed by gases, among them the oxygen and the nitrogen. We don't see them because the molecules walk very separate some of other what allows the step of the light, but if we can feel it when it hits our face.
Why does the echo exist?
The sound is transmitted by means of waves. If these waves collide with something, they bounce toward the original place, to that which is denominated echo.
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