Comparison table: Basin type, Reason for formation and Examples
| September 13, 2020 | Education
| Basin type | Reason for education | Examples of |
| Tectonic in troughs | Subsidence of vast areas of the earth’s crust | Aral, Caspian |
| Tectonic in faults | Subsidence of sections of the earth’s crust along a fault | Baikal, Nyasa, Tanganyika |
| Glacial | The hollow has been deepened by ancient glaciers. | Onega, Ladoga |
| Zaprudny | The river bed is blocked by a landslide or solidified lava flow. | Sarez . |
| Volcanic | Extinct volcano craters | Kronotskoye , Kurilskoye |
| Karst | Formed after the failure of the upper layer covering the underground cavity, and fills it with water. | Small ones are not indicated on the cards |
| Old women | Sections of the former river bed, which has changed its direction. | Small ones are not indicated on the cards |
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.