What are the four spheres of the Earth?


Quick Answer

The four spheres of the Earth are the atmosphere, the biosphere, the hydrosphere and the lithosphere. Each of these spheres is considered by scientists as interconnected in a greater geosphere that harbors all terrestrial life and materials.

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Full Answer

The various spheres may overlap throughout the planet and are commonly found within a single location. Oceans of the hydrosphere, for example, host living organisms that compose a portion of the biosphere, while the crust of the lithosphere descends to the ocean floor's deepest trench and rises to the highest mountain. Atmospheric bodies of air meanwhile rise above land and water to envelop the Earth, growing denser as they approach the globe's surface.

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