What are the three stages of the development of the geographical оболочка?

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Stage	Characteristics
Abiotic (Geological)	Formation of continents and ocean basins. Appearance of primitive organisms in the ocean. Little oxygen, but a lot of carbon dioxide in the atmosphere.
Biotic	Formation of the modern hydrosphere and atmosphere. The emergence of the ozone layer. Formation of soils. Development of life on land. Formation of organic rocks.
Anthropogenic	The emergence of humans. Growth and its impact on the environment.