1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a river that rises in western new mexico and flows westward through southern arizona to become a tributary of the colorado river 2) at any time 3) clean or organized 4) catch sight of DOWN 1) (____tics) a segment of dna that is involved in producing a polypeptide chain; it can include regions preceding and following the coding dna as well as introns between the exons; it is considered a unit of heredity 2) united states composer noted for his innovative use of polytonality (1874-1954) 3) a light, self-propelled movement upwards or forwards 4) showily imitative of art or artists ** Scroll down for solution. ** Are you sure you want to peek? gila ever neat espy