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Know Basics of The Earth
The Earth is a terrestrial planet originated from the sun approximately 4.6 billion years ago. It is third planet from the Sun positioning after Mercury and Venus. The earth surface is made by various minerals mainly silica and aluminiam as well as concentration of Iron.
Do you know about the Earth? How it originated? How long is old it? The mystries of the Earths? Lets explore all of your questions here:-
There is total 2900 kilometre down to the surface of the earth containing four layers namely- Crust, Mantle, Outer Core, Inner Core.
The surface of the earth on which the terrestrial live are living is called as Asthenosphere which contains seven major plates, twenty minor plates and numerous small plates. The interior of the earth is extremely hot for which the materials lie in form of liquid and gases. The Earth is rotational on its own axis as well around the Sun. The total circumference of the earth is 40,075 sq.km. where land is 29% and water is 71%