1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) an air mass of ___er pressure; often brings precipitation 2) a militant organization of irish nationalists who used terrorism and guerilla warfare in an effort to drive british forces from northern ireland and achieve a united independent ireland 3) the habitation of wild animals DOWN 1) either of two folds of skin that can be moved to cover or open the eye 2) a mineral that contains metal that is valuable enough to be mined 3) a computer network that spans a wider area than does a local area network ** Scroll down for solution. ** Are you sure you want to peek? low ira den