Question

What are the four major domains of the earth? Which is the most Important domain And why?
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Answer 1

There are four major domains of the Earth – 

lithosphere

atmosphere

hydrosphere 

biosphere.

The atmosphere is divided into four layers based on composition, temperature and other properties.

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Continents are the most important domain as they inhibit the largest number of lifeforms.

Answer 2

What are the major domains of the earth?

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There are four major domains of the Earth – lithosphere, atmosphere, hydrosphere and biosphere.