Vernadsky V.I. made a division of the geographical envelope into the hydrosphere, atmosphere, lithosphere, and biosphere. Vernadsky was also engaged in geology and biology. Chizhevsky A. L. studied the relationship of earthly phenomena and solar activity. An example of the discovery of Chizhevsky is the effect of the cycles of solar activity on the biosphere. Thanks to him, scientists can now predict solar storms by the reaction of bacteria.
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.