1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) how long something has existed 2) any of various dark heavy viscid substances obtained as a residue 3) a health resort near a spring or at the seaside DOWN 1) a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium 2) a conspicuous disparity or difference as between two figures 3) a period marked by distinctive character or reckoned from a fixed point or event ** Scroll down for solution. ** Are you sure you want to peek? age tar spa