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Biology 19 Online
OpenStudy (anonymous):

Which of the following is not a rock? shale, quartz, marble, granite

OpenStudy (anonymous):

quartz i think because it is a crystal not a rock.

OpenStudy (anonymous):

I finished the assignment and turned it in, and quartz was right.

OpenStudy (anonymous):

lol. good. but once you finish a question make sure you close it please

OpenStudy (anonymous):

it says it is closed

OpenStudy (anonymous):

lol. my bad then. sorry.

OpenStudy (anonymous):

It's ok. The site lagging badly for me when this happened.

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