What is vocal? Detailed answer

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What is vocal? Detailed answer

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What is vocal?

This is the performance of music with the voice. Most often, songs, ballads are performed in this way - such works where you also need to sing words.

Author: Mendeleev V.A.

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Who are brontosaurs?

Brontosaurs are representatives of the family of dinosaurs - reptiles that lived in the so-called age of reptiles. This century began in a geological period called the Triassic, which began about two hundred and thirty million years ago. The last remains of dinosaurs were found in the rocks of the Cretaceous period, which ended about sixty-five million years ago. This means that the age of the dinosaurs lasted about one hundred and sixty-five million years.

Dinosaurs were land reptiles. And although some of them went into the water, they usually went into rivers, lakes or swamps, and not into the seas. Among them were both carnivorous dinosaurs and herbivores. Some of them walked on their hind limbs, others on all fours. They were cold-blooded animals, and most of their bodies were covered with scales. One group of large dinosaurs was called sauropods. They had huge paws, with five fingers each, similar to the paws of lizards.

Sauropods were the largest animals that ever lived on the planet. These include brontosaurs, which literally means "thunder lizard": apparently, the earth trembled and groaned under their weight. On a very long neck, brontosaurs had a small horse-like head. The body was like that of an elephant, and they also had very long tails. It is believed that these animals weighed about forty tons! And yet this carcass has been able to move, find its own plant food and adapt to climate changes for millions of years.

Brontosaurus, apparently, mainly lived in water, and in it the heaviest part of their body, the hind limbs and tail, lost a significant part of their weight. In deep enough water, they could swim, using giant limbs to move in the water. The water around them served as a defense against huge, carnivorous lizard rivals. They ate algae and any greenery that they could pinch along the banks of rivers and lakes. When females came ashore to lay their eggs, carnivorous lizards often attacked them, and many dinosaurs died in this way.

Test your knowledge! Did you know...

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Mammoth put a thermometer 16.12.2010

Physicist Robert Eagle and his colleagues at the California Institute of Technology (USA) learned how to measure the temperature at which calcium carbonate crystals formed.

They determine it by the composition of carbon and oxygen isotopes included in the crystals. And since calcium carbonate is the main building material of bones and teeth, it is possible to determine the body temperature of the animal to which the bones and teeth belong by its isotopes.

First, Eagle determined the temperature of the white rhino - 37 degrees and the tiger shark - 23 degrees Celsius for control, which very accurately coincided with the real data. Then he took samples of mammoth bones, and it turned out that the temperature of the mammoth was 38 degrees Celsius.

The next step is to measure the temperature of other extinct animals.

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