1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) the state of being or appearing to be actively engaged in an activity 2) a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) 3) a facial expression of contempt or scorn; the upper lip curls 4) a soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides) DOWN 1) one of two equal parts of a divisible whole 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 ____ing at which a number of athletic contests are held 4) a respiratory disease of unknown etiology that apparently originated in mainland china in 2003; characterized by fever and coughing or difficulty breathing or hypoxia; can be fatal ** Scroll down for solution. ** Are you sure you want to peek? hums area leer fats