The structure of the earth’s crust. In the middle of XX century. among scientists there were discussions about what is hidden under the glacial armor of Antarctica: the ocean, the archipelago or the continuous continent. The final answer was given by studies of the earth’s crust. So it was established that the Earth’s crust of … Read more
Why is the large number of isotherms in the Far East closed? Closed isotherms are associated with mountain massifs, intermontane basins, which violate a smooth temperature decrease from south to north. How can one explain such sharp contrasts in the amount of precipitation in different parts of the Far East? This again is explained by … Read more
1. On which components of nature are the most clearly reflected features of the geographical location of North America? The peculiarities of the geographical location of North America most clearly reflect on such natural components as soils, vegetation and fauna. Compare the nature of the Canadian Arctic archipelago and the central regions of Mexico, and … Read more
1. In what direction is the Great Caucasus stretching? The Great Caucasus stretches in a sublatitudinal direction from the west-north-west to the east-south-east. 2. Which of the three parts is divided into the Main Caucasian Range? Several mountain ranges are distinguished in the Caucasus mountains. The axial part of the Caucasus is the Main and … Read more
1. Highlight the centers with the largest enterprises of ferrous metallurgy in the country. How can you explain their location? Compare the figure with the population density map. In the production of ferrous metals, Russia ranks 4th in the world after China, Japan and the United States, and the first place in exports. In Russia … Read more
While America and Australia were already open, the first round-the-world trip was carried out, the vast territories of Northern and Eastern Azines remained unknown to Europeans. In the XVI-XVII centuries. in the Russian state there were people who organized and took part in hikes through the Ural Mountains. They were called explorers. In less than … Read more
1. Why do you think information is considered a valuable “resource”? Give arguments in favor of such a statement. Information is information transmitted by people in an oral, written or other way. From the middle of XX century. information is a general scientific concept, including the exchange of information between people, a person and an … Read more
1. Show on the map the states with access to the Baltic Sea. Which of them are Russia’s neighbors on land, at sea? The states that have access to the Baltic Sea are often called the Baltic States. They are easier to remember, if you list from the north clockwise, looking at the political map … Read more
In North America, there are 490 million people, or more than 7% of the world’s population. This is 1.5 times more than in South America, but half as much as in Africa. The average population density is 20.2 people / km2, which is almost 2.5 times less than the world average. The territory of the … Read more
It is known that the Earth rotates around its axis and around the Sun. The axial movement is directed counter-clockwise. The period of complete revolution of the Earth around its axis lasts 23 hours 56 minutes 04 seconds. Around the Sun the Earth moves in an orbit having the shape of an ellipse. The total … Read more