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Biology 13 Online
OpenStudy (dr.gray):

A sedimentary rock formed from once-living things is _____. A. clastic B. organic C. chemical D. fragmental

OpenStudy (anonymous):

I would assume organic but I'm not sure

OpenStudy (dr.gray):

sediment. is small solid pieces of material that come from rocks of living things. ... Most sedimentary rocks formed through a series of processes: erosian ... What conditions are necessary for sedimentary rocks to form? ... The term organic refers to substances that once were part of living things or were made by living things.

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