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Mathematics 12 Online
OpenStudy (anonymous):

When magma cools off Earth's surface, which type of crystalline structure is usually found?

OpenStudy (anonymous):

Magma isn't found on the earth's surface. And why is this posted in math?

OpenStudy (anonymous):

beause i have no idea how to work this website

OpenStudy (anonymous):

So what course are you taking? It sounds like geology, but I don't know if there's a geology section in openstudy or not. Can anyone else chime in here?

OpenStudy (anonymous):

There's chemistry. I suppose your question MIGHT fit that category...

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