Tectonic structures are areas of the earth’s crust with similar occurrence of rocks. The plains are located on the platforms. On the surface of the platforms, rock layers lie horizontally, this is the so-called sedimentary cover of the platforms. It consists of sedimentary rocks and hides the uneven foundation of the platforms as a bedspread. The foundation of the platforms is the former destroyed mountains, and the cover is the accumulated destroyed material. It is the cover that provides the flat surface of the platforms.
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.