1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) british nuclear physicist (____ in germany) honored for his contributions to quantum mechanics (1882-1970) 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) a blow from a flat object (as an open hand) 4) blatant or sensational promotion DOWN 1) a low woody perennial plant usually having several major stems 2) a southeastern suburb of paris; site of an international airport serving paris 3) gather, as of natural products 4) the back side of the neck ** Scroll down for solution. ** Are you sure you want to peek? born urea slap hype