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Geography 15 Online
OpenStudy (anonymous):

What is the most abundant element, by mass, in the Earth’s crust?

OpenStudy (anonymous):

A. carbon B. oxygen C. gold D. salt

OpenStudy (anonymous):

oxygen :3

OpenStudy (texaschic101):

I agree..its oxygen

OpenStudy (anonymous):

hey dude ,u don't get oxygen in the earth's crust .its silica

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