Respuesta :
Answer:
Because the "-spheres" are literally presented as spheres.
Explanation:
If you think about the atmosphere, its literally just a huge ball of the air around you. Same with hydrosphere, biosphere, etc. (It's just a ball of whatever is categorized in that sphere.)
Planet Earth is made up of four overlapping subsystems that contain all of world’s land masses, water sources, living organisms, and gases. These four subsystems are known as spheres.
Geographers break down the Earth’s systems into four spheres that make up the world’s air (atmosphere), water (hydrosphere), land (geosphere), and living organisms (biosphere).
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Geographers break down the Earth’s systems into four spheres that make up the world’s air (atmosphere), water (hydrosphere), land (geosphere), and living organisms (biosphere).
Please mark brainliest :))
