1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a group of things of the same kind that belong together and are so used 2) how long something has existed 3) an argument opposed to a proposal DOWN 1) an enclosed space 2) an inflated feeling of pride in your superiority to others 3) the cardinal number that is the sum of nine and one; the base of the decimal system ** Scroll down for solution. ** Are you sure you want to peek? set age con