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ACROSS
1)  electrical conduction through a gas in an applied electric field
2)  a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually c___sified as a rare earth
3)  the branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information


DOWN
1)  united states prizefighter who won the world heavyweight championship three times (born in 1942)
2)  any of various long-tailed rodents similar to but larger than a mouse
3)  a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal

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