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The Earth’s crust is principally composed of _______.
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The Earth’s crust is principally composed of _______.
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Apr 22, 2017
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The Earth’s crust is principally composed of _______.
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Earth's crust is made
up of mostly oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium.
Jayashree Shetty
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Apr 26, 2017
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Jayashree Shetty
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