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What are the possible causes of Cross contamination?

  1. Improper storage

  2. Unwashed hands

  3. Using the same equipment for different foods

  4. All of these

The correct answer is: All of these

Possible causes of cross contamination can include improper storage of food, not washing your hands regularly, and using the same equipment for preparation of different types of foods. Choosing any of the individual options, such as A, B, or C, as the answer would not accurately encompass all potential causes and therefore would be incorrect.