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Mathematics 13 Online
OpenStudy (kawii2004):

Which is characteristic of a mineral? A. It must be naturally occurring and amorphous. B. It must be man-made and crystalline. C. It must be naturally occurring and crystalline. D. It must be man-made and amorphous.

OpenStudy (carolina4567):

Your thoughts ?

OpenStudy (kawii2004):

idk

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