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ACROSS
1)  an expression of openmouthed astonishment
2)  the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
3)  a transparent optical device used to converge or diverge transmitted light and to form images
4)  sheet glass cut in shapes for windows or doors


DOWN
1)  a large and hurried swallow
2)  a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)
3)  englishman and quaker who founded the colony of ____sylvania (1644-1718)
4)  freedom from difficulty or hardship or effort

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