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4  _  _  _  _


ACROSS
1)  an oil reservoir in an internal combustion engine
2)  proper alignment; the property possessed by something that is in correct or proper alignment
3)  armor plate that protects the chest; the front part of a cuirass
4)  characterized by a lightly ____ and exuberant quality


DOWN
1)  any maneuver made as part of progress toward a goal
2)  an instinctive motive
3)  united states naturalist (born in england) who advocated the creation of national parks (1838-1914)
4)  a serious (sometimes fatal) infection of rodents caused by yersinia ____is and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal

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