A. 30 percent
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Answer:as the voting ballots before the 1890s were in fact printed by the political parties themselves. Today the printing of ballots is a very serious business and there are strict regulations and control mechanisms in place in order to stop voter fraud which unfortunately is a big issue.
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Answer: B: By digging snow tunnels from their shelters to the tunnel and D:By relying on lamps to light the tunnels where they lived and worked
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Answer:
C: No, the sample size for drug Y is large enough, but the sample size for drug X is not