1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) an interest followed with exaggerated zeal 2) a system for screening luggage in airports; an agent passes a swab around or inside luggage and then runs the swab through a machine that can detect trace amounts of explosives 3) a quad with a square body DOWN 1) a fixed charge for a privilege or for professional services 2) a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade 3) a doctor's degree in dental surgery ** Scroll down for solution. ** Are you sure you want to peek? fad etd ems