1  2  3  4 

1  _  _  _  _

2  _  _  _  _

3  _  _  _  _

4  _  _  _  _


ACROSS
1)  a sudden very loud noise
2)  socially incorrect in behavior
3)  the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
4)  an appreciable consequence (especially a lessening)


DOWN
1)  heavy wet snow that is unsuitable for skiing
2)  qualities that attract by seeming to promise some kind of reward
3)  an important port of yemen; located on the gulf of ____; its strategic location has made it a major trading center of southern arabia since ancient times
4)  partially carbonized vegetable matter saturated with water; can be used as a fuel when dried

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