1  2  3 

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3  _  _  _


ACROSS
1)  a heavy iron lever with one end forged into a wedge
2)  a tool with a flat blade attached at right angles to a long handle
3)  (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information


DOWN
1)  a doctorate usually based on at least 3 years graduate study and a dissertation; the highest degree awarded graduate study
2)  a chadic language spoken in northern nigeria
3)  an affirmative

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