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ACROSS
1)  an inquiry into public opinion conducted by interviewing a random sample of people
2)  the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
3)  eliminate urine
4)  an open skin infection


DOWN
1)  young of any of various canines such as a dog or wolf
2)  chocolate cookie with white cream filling
3)  a facial expression of contempt or scorn; the upper lip curls
4)  remove with or as if with a ladle

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poll
urea
peed
sore