1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) any small rounded protuberance (as on certain plants or animals) 2) an elaborate song for solo voice 3) a worker (especially in an office) hired on a ____orary basis 4) a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite DOWN 1) a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm 2) a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) 3) the shape of a raised edge of a more or less circular object 4) (military) signal to turn the lights out ** Scroll down for solution. ** Are you sure you want to peek? wart aria temp tass