preserving crossword

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Across
  1. 7. preservation method that uses high heat and pressure to kill bacteria and create a vacuum seal
  2. 8. preservation method that involves submerging food in a high-acid solution
  3. 9. scalding vegetables in boiling water or steam for a short time
  4. 11. the empty space left between the top of the food or liquid in a jar and the underside of the lid
Down
  1. 1. to keep the food fresh is to ______
  2. 2. using sugar, to preserve fruits and sometimes vegetables
  3. 3. heating the food before packing it into jars
  4. 4. one way is Utilizing the sun's heat and air circulation to evaporate water.
  5. 5. preserving food by lowering the temp of the food
  6. 6. putting jars in boiling water for a specified time to kill harmful bacteria and create a vacuum seal.
  7. 10. filling jars with freshly prepared, unheated food before processing in a canner