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ACROSS
1)  egg yolks and oil and vinegar
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)  your consciousness of your own identity
4)  dutch portrait and genre painter who endowed his portraits with vitality and humor (1580?-1666)


DOWN
1)  any soft or soggy mass
2)  a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)
3)  a loud utterance; often in protest or opposition
4)  an awkward stupid person

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