1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) the sound made by corvine birds 2) a mineral that contains metal that is valuable enough to be mined 3) united states architect (born in china in 1917) DOWN 1) uncomplimentary terms for a policeman 2) a unit of surface ___a equal to 100 squ___ meters 3) any of several imperial dynasties of china ruling from 220 to 265 and from 386 to 556 ** Scroll down for solution. ** Are you sure you want to peek? caw ore pei