1  2  3

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2  _  _  _

3  _  _  _


ACROSS
1)  a slight amount or degree of difference
2)  an agency of the united nations affiliated with the world bank
3)  a negative


DOWN
1)  a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as ___ oxide
2)  an enzyme found in mammals that can catalyze the deamination of adenosine into inosine and ammonia
3)  time for earth to make a complete rotation on its axis

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