The answer is C.
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The correct option is C.
For a supreme court to hear an appeal case, four of the nine judges must vote to accept the case. For a supreme court decision by the judges to be considered valid, a majority of justices must agree to all the contents of the court's opinion before it is publicly delivered. Justices do this by signing the opinion.
Migration is seasonal movement of animals from one region to another. A nomad is someone who has no personal home, and they travel from place to place for a variety of factors like crops and fresh pasture for livestock.
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