Question

1. Name the four layers of the Earth Name the four realms of the Earth. What percentage of carbon dioxide is there in atmosphere
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Answer 1

Answer:

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)