1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) one of the digits of the foot 2) electrical conduction through a gas in an applied electric field 3) the number that is represented as a one followed by 6 zeros DOWN 1) a woolen cap of scottish origin 2) a mineral that contains metal that is valuable enough to be mined 3) a graphical recording of the cardiac cycle produced by an electrocardiograph ** Scroll down for solution. ** Are you sure you want to peek? toe arc meg