What are the four major, interactive systems Earth is often described as having?

Answer

Atmosphere, Hydrosphere, Geosphere, and Biosphere

Earth is described as comprising four major spheres: the Atmosphere (gases), the Hydrosphere (water), the Geosphere (solid Earth), and the Biosphere (living things), all constantly exchanging energy and matter.

What are the four major, interactive systems Earth is often described as having?
Earthenvironmentsupportsystemlife