Using the same knife to chop carrots for a salad immediately after cutting up raw chicken is an example of what?

Using the same knife to chop carrots after cutting raw chicken is an example of cross-contamination. This practice can lead to the transfer of harmful bacteria from the raw chicken to the vegetables, posing a risk of foodborne illness. To ensure food safety, it's important to use separate utensils and cutting boards for raw meat and ready-to-eat foods.