Common features of Africa’s climate

Africa is the hottest continent of the world. This is due primarily to the fact that most of its territory is in a hot thermal belt between the tropics. Here throughout the year the sun is high above the horizon and twice a year, anywhere in Africa between the North and South Tropics is at … Read more

Climatic conditions and water masses of the Arctic Ocean

The climatic features of the ocean are determined by its polar position. During the year over the ocean, the arctic air masses dominate. Most of the solar energy, which still reaches the arctic latitudes, is reflected by ice. The temperature of the ice surface changes with the air temperature, decreasing to -40 ° C during … Read more

Economic development of Siberia

1. From the course of national history, recall the reasons for the development of Siberia. What are the natural features of Siberia and why did it make it difficult and difficult to master it? “The history of Russia is the history of the country that is being colonized.” Russia has constantly expanded its territory. The … Read more

Origin of continents and oceans

1. Which structure has the lithosphere? What phenomena occur on the boundaries of its plates? The lithosphere is heterogeneous in structure and consists of the earth’s crust and the upper part of the Earth’s mantle. The Earth’s crust is divided into oceanic and continental crust. The continental crust is much thicker than the oceanic crust … Read more

Tundra in North America

The northern coast of the mainland occupies the zone of the tundra. In the west, its southern boundary runs along the Arctic Circle, and in the east direction it moves far to the south to the Hudson Bay. The climate in the tundra is subarctic. Summer in the tundra is short and cool. The soil … Read more

General ideas about the surface of the Earth

The surface area of ​​the globe is 510 million km2. Most of it is 361 million km2 – is occupied by the World Ocean, and on the land there are 149 million km2 of area. So, the oceans and continents are the largest natural complexes within the geographical envelope of our planet. The world’s ocean … Read more

Modern studies of Antarctica

In the first half of the XX century. The studies of Antarctica were episodic and were limited to individual expeditions. But from the second half of the 50’s. Regular surveys of the continent began at polar stations, which conduct a variety of scientific observations. The result of their work was the first atlas of Antarctica, … Read more

Natural zoning

1. Natural complexes are very diverse. Which of them are called natural zones? The natural complex of land, as well as the complex of the geographical envelope as a whole, is a heterogeneous formation and includes natural complexes of lower ranks that differ in the quality of the components of the complex of natural components. … Read more

Central Russia: composition, geographical location

1. What economic regions are part of Central Russia? What do you think are the conditions that underlie the division of Central Russia into the Central, Central Black Earth and Volga-Vyatka regions? In Central Russia, there are 3 economic regions: Central, Central Black Earth and Volga-Vyatka. Their natural differences are underlined even in the names: … Read more