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) (astrology) a person who is born while the sun is in ___ 3) diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used DOWN 1) quantifier; used with either mass or count nouns to indicate the whole number or amount of or every one of a class 2) the starting place for each hole on a golf course 3) surface layer of ground containing a mat of grass and grass roots ** Scroll down for solution. ** Are you sure you want to peek? ats leo led