What are the Four Realms of the Earth? Explain Them

By Esha Dhawan|Updated : August 4th, 2022

A commonly asked question in competitive exams is what are the four realms of the earth? The answer is - Lithosphere, Biosphere, Hydrosphere, and Atmosphere. Read this article to learn more about the four realms of the earth.

Answer:

The four realms of the earth are Lithosphere, Biosphere, Hydrosphere, and Atmosphere

All the mass, water sources, gases and living organisms of the earth are contained within overlapping subsystems called the four realms of the earth. Now, let’s dive deeper to understand these four realms of the earth.

Four Realms of the Earth

  • Atmosphere: This is the uppermost layer or realm of the earth that can extend up to 10000 km and comprises gases.
  • Hydrosphere: This layer or realm of the earth contains all the water bodies of the world. Hence, it covers the maximum part of the Earth and comprises 70% of the Earth’s area.
  • Lithosphere: Lithosphere is the outermost realm of earth that comprises the crust, rocks and solid layer of the earth.
  • Biosphere: This is the habitable layer of earth where land, water and air are all present.

Summary:

What are the Four Realms of the Earth? Explain Them

The answer to what are the four realms of the earth is - Lithosphere, Biosphere, Hydrosphere, and Atmosphere.

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