1  2  3  4 

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2  _  _  _  _

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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

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