What observations served as the basis for putting forward a hypothesis about the atomic structure of matter?

One of the proofs of the existence of atoms and their continuous disorderly movement was the discovery of the English botanist Robert Brown. In 1827, when observed through a microscope, he saw that the pollen particles of a plant in water continuously and chaotically move.

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.