Question

definition of realm of the Earth​

Answer 1

Answer:

The definition of a realm is an area or a domain. An example of a realm is the general way to speak about a subject like science. An example of a realm is a geographical division of the earth

Explanation:

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Answer 2

Answer:

⇒The realm of land is called lithosphere, the realm of water is called hydrosphere and the realm of air is called atmosphere.

⇒The narrow zone where land, water and air meet is called biosphere. It is the fourth realm of the earth and it supports life.