Answer the following Q with stream of consciousness. In geology, ripple marks are sedimentary structures (i.e. bedforms of the lower flow regime) and indicate agitation by water (current or waves) or wind.\n\nAnswer this question: what do ripple marks in sedimentary rock mean?
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This is the relevant information: In geology, ripple marks are sedimentary structures (i.e. bedforms of the lower flow regime) and indicate agitation by water (current or waves) or wind. Therefore, the final answer is agitation by water ( current or waves ) or wind.
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