most abundant elements in earth's crust
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5.6%
Iron
8.1%
Aluminum
27.7%
Silicon
2.5%
Sodium
4.2%
Calcium
2.4%
Magnesium
most abundant element (in Earth's crust)
Oxygen 46.6%
most abundant element in human body
Oxygen 65%
2.0%
Potassium
0.61%
Titanium
