What is the earth made of, Science

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What is the earth made of?

The overall composition of the Earth, in terms of elemental composition is as follows:

 

Iron 34.6%

Oxygen 29.5%

Magnesium 12.7%

Silicon 15.2%

Sulphur 1.9%

Nickel 2.4%

All others: 3.7%

 


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