If you’re a green shopper, then you usually purchase recycled, buy in bulk, trade with friends, and combine bags rather than get a new one for every purchase. describes
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i think B lists is your best answer

no its not a run on sentence however i think you meant wet suits not sours also a run on sentence would be like surfers surf all winter long in southern california by using wet sours to keep them warm and the live their all year long  

b is the answer for this question.