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ACROSS
1)  a unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere
2)  the former capital and 2nd largest city of brazil; chief brazilian port; famous as a tourist attraction
3)  a condition (mostly in boys) characterized by behavioral and learning disorders


DOWN
1)  a mouth or mouthlike opening
2)  prevent from being seen or discovered
3)  a british teenager or young adult in the 1960s; noted for their clothes consciousness and opposition to the rockers

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