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Biology 13 Online
OpenStudy (anonymous):

Suppose you found an igneous rock that had almost even amounts of silica, iron, and magnesium. How would you classify this rock? Why?

OpenStudy (anonymous):

Welcome to OpenStudy @Shirfa !

OpenStudy (anonymous):

http://answers.yahoo.com/question/index?qid=20101114113057AA3Q8av This link may help.

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