1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium 2) two items of the same kind 3) social insect living in organized colonies; characteristically the males and fertile queen have wings during breeding season; wingless sterile females are the workers DOWN 1) an enzyme found in mammals that can catalyze the deamination of adenosine into inosine and ammonia 2) a large cask especially one holding a volume equivalent to 2 butts or 252 gals 3) be seated ** Scroll down for solution. ** Are you sure you want to peek? ats dui ant