What Are The 4 Major Spheres?
What Are The 4 Major Spheres? Everything in Earth’s system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called “spheres.” Specifically, they are the “lithosphere” (land), “hydrosphere” (water), “biosphere” (living things), and “atmosphere” (air). What are the 4 interacting spheres? Within the boundary of