Answer:
The overall composition of the Earth, in terms of elemental composition is as follows:
Iron 34.6%
Oxygen 29.5%
Silicon 15.2%
Magnesium 12.7%
Nickel 2.4%
Sulphur 1.9%
All others: 3.7%
Iron 34.6%
Oxygen 29.5%
Silicon 15.2%
Magnesium 12.7%
Nickel 2.4%
Sulphur 1.9%
All others: 3.7%
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