1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a transparent piece of ____ that has been cut and polished and is valued as a precious gem 2) a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) 3) anything that provides inspiration for later work 4) a shape that ____ DOWN 1) a small piece of cloth or paper 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 large mass of ice floating at sea; usually broken off of a polar glacier 4) edible tuber of any of several ____ ** Scroll down for solution. ** Are you sure you want to peek? ruby area germ sags