Karst is a complex of several processes and phenomena in which rocks dissolve as a result of the influence of water, voids and special relief forms form. Basically, these processes are observed in rocks such as limestone, marble, gypsum, dolomite and rock salt. These rocks are relatively easily washed out by water (currents, streams, etc.).
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.