1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) the products of human creativity; works of ___ collectively 2) a branch of the tai languages 3) surface layer of ground containing a mat of grass and grass roots DOWN 1) a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium 2) the 17th letter of the greek alphabet 3) a unit of weight for wool equal to about 28 pounds ** Scroll down for solution. ** Are you sure you want to peek? art tho sod