In liquid brows, atoms and molecules are located interwoven to each other, as in solids .. But in a liquid, remaining pressed close to each other by the forces of attraction, molecules during thermal motion, in addition to vibrating relative to the equilibrium position, can mix relative to each other. Therefore, a liquid body easily changes its shape, but its volume does not change.
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.