What is the contribution of the scientists of Vernadsky and Chizhevsky to the doctrine of the geographical shell?

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.

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