All about wine

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Across
  1. 3. The deposits that accumulate in some wines as they age. (5 letters)
  2. 7. A common white wine grape variety. (9 letters)
Down
  1. 1. A famous wine-producing region in Italy. (7 letters)
  2. 2. The process of turning grape juice into alcohol. (10 letters)
  3. 4. The science of wine and winemaking. (9 letters)
  4. 5. A red grape variety from Bordeaux. (7 letters)
  5. 6. A sparkling wine from France. (9 letters)