1  2  3

1  _  _  _

2  _  _  _

3  _  _  _


ACROSS
1)  a unit of heat equal to the amount of heat required to raise one pound of water one degree fahrenheit at one atmosphere pressure; equivalent to 251.997 calories
2)  an awkward stupid person
3)  a mouth or mouthlike opening


DOWN
1)  a cry or noise made to express displeasure or contempt
2)  any of various dark heavy viscid substances obtained as a residue
3)  a city in the european part of russia

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btu
oaf
ora