1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a sudden numbing dread 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) tear or be torn violently 4) a magnitude or frequency relative to a time unit DOWN 1) a low vibrating sound typical of a contented cat 2) a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) 3) a period of 40 weekdays from ash wednesday to holy saturday 4) remove with or as if with a ladle ** Scroll down for solution. ** Are you sure you want to peek? pall urea rend rate