1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a workplace for the conduct of scientific research 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) a number of sheets of paper fastened together along one edge DOWN 1) either of two fleshy folds of tissue that surround the mouth and play a role in speaking 2) a constellation in the southern hemisphere near telescopium and norma 3) that which is below standard or expectations as of ethics or decency ** Scroll down for solution. ** Are you sure you want to peek? lab ira pad