1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a solution containing a phosphate buffer 2) the sixth day of the week; the fifth working day 3) a motor vehicle with four wheels; usually propelled by an internal combustion engine DOWN 1) a powerful greenhouse gas emitted during the production of aluminum 2) an undergarment worn by women to support their breasts 3) term of address for a man ** Scroll down for solution. ** Are you sure you want to peek? pbs fri car