1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a blow from a flat object (as an open hand) 2) the dressed skin of an animal (especially a large animal) 3) the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics 4) an enclosed armored military vehicle; has a cannon and moves on caterpillar treads DOWN 1) move so that an opening or passage is obstructed; make ____ 2) the basic unit of money on malta; equal to 100 cents 3) an important port of yemen; located on the gulf of ____; its strategic location has made it a major trading center of southern arabia since ancient times 4) the most extreme possible amount or value ** Scroll down for solution. ** Are you sure you want to peek? slap hide urea tank