1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a concave shape whose distinguishing characteristic is that the concavity faces downward 2) a theocratic islamic republic in the middle east in western asia; ____ was the core of the ancient empire that was known as persia until 1935; rich in oil 3) cut off the testicles (of male animals such as horses) 4) a colloid that has a continuous liquid phase in which a solid is suspended in a liquid DOWN 1) an excavation for ore or precious stones or for archaeology 2) chocolate cookie with white cream filling 3) a public area set aside as a pedestrian walk 4) either extremity of something that has length ** Scroll down for solution. ** Are you sure you want to peek? dome iran geld sols