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What is the earths crust made of?
Answer:
The overall composition of the Earth's crust, in terms of elemental composition is as follows:
Oxygen 46.6%
Silicon 27.7%
Aluminum 8.1%
Iron 5.0%
All other elements 12.6%
Oxygen 46.6%
Silicon 27.7%
Aluminum 8.1%
Iron 5.0%
All other elements 12.6%
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