Question

name the three realms of the earth​

Answer 1

Answer:

The four realms of the Earth are as follows:

(1) Lithosphere: It is the hard, rocky outermost shell of the Earth made up of rocks and soil. Almost three-fourths of the total area of the Earth is covered by water and the remaining one-fourth is covered by land.

(2) Atmosphere: It is the air or the layer of gases that surrounds us. The main constituent of the atmosphere is nitrogen (78%), which is followed by oxygen (21%) and gases such as carbon dioxide, xenon and argon.

(3) Hydrosphere: It is the mass of water found on the Earth that includes oceans, rivers, lakes, estuaries, etc. It also includes ice caps of the polar regions, underground water and water vapour in the air.

(4) Biosphere: The zone where land, water and air come in contact with each other to support life and where living organisms inhabit is called the biosphere.

Answer 2

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The four realms of the Earth are as follows:

(1) Lithosphere

(2) Atmosphere: It is the air or the layer of gases that surrounds us. The main constituent of the atmosphere is nitrogen (78%), which is followed by oxygen (21%) and gases such as carbon dioxide, xenon and argon.

(3) Hydrosphere: It is the mass of water found on the Earth that includes oceans, rivers, lakes, estuaries, etc. It also includes ice caps of the polar regions, underground water and water vapour in the air.

(4) Biosphere: The zone where land, water and air come in contact with each other to support life and where living organisms inhabit is called the biosphere.

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