1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a great amount or extent 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) in an idle manner 4) a groove or furrow (especially one in soft earth caused by wheels) DOWN 1) united states naturalist (born in england) who advocated the creation of national parks (1838-1914) 2) the official literary language of pakistan, closely related to hindi; widely used in india (mostly by moslems); written in arabic script 3) a member of a european people who once occupied britain and spain and gaul prior to roman times 4) united states lawyer and politician who formulated a production code that prescribed the moral content of united states films from 1930 to 1966 (1879-1954) ** Scroll down for solution. ** Are you sure you want to peek? much urea idly ruts