1  2  3  4 

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ACROSS
1)  11th president of the united states; his expansionism led to the mexican war and the annexation of california and much of the southwest (1795-1849)
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)  any rational or irrational number
4)  knowledge gained through tradition or anecdote


DOWN
1)  gold or silver wire thread
2)  chocolate cookie with white cream filling
3)  british artist and writer of nonsense verse (1812-1888)
4)  informal terms for money

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urea
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