1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a plug used to close a hole in a barrel or flask 2) a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood 3) (greek mythology) a queen of sparta who was raped by zeus who had taken the form of a swan; helen of troy was conceived in the rape of ____ 4) the temporal end; the concluding time DOWN 1) a statute in draft before it becomes law 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 sign of assent or salutation or command 4) any of various small biting flies: midges; biting midges; black flies; sand flies ** Scroll down for solution. ** Are you sure you want to peek? bung iron leda last