1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a violent throw 2) united states chemist who discovered deuterium (1893-1981) 3) a facial expression of contempt or scorn; the upper lip curls 4) remove with or as if with a ladle DOWN 1) dry outer covering of a fruit or seed or nut 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) tall woody perennial grasses with hollow slender stems especially of the genera arundo and phragmites 4) a harp used by ancient greeks for accompaniment ** Scroll down for solution. ** Are you sure you want to peek? hurl urey leer lade