Dicing onions on the same cutting board used for slicing raw beef can cause Cross-Contamination.
Cross-contamination happens at a time when prejudicial bacteria are shifted to nutrient food from some other foods, cutting boards, and implements that have not been decently handled.
Therefore, Cross-Contamination can occur when onions are diced on the same cutting board as raw beef is sliced.
To learn more about the Cross-Contamination, refer to:
https://brainly.com/question/465199
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