All are examples of cross-contamination except

Here are several things that is considered can cause cross-contamination :

- Ready is food is allowed to touch unsanitary surface
- Food is NOT stored in cooler on proper shelving
- Contaminated ingredients are added to food that receive no further cooking

Here are several things that's NOT considered cross contamination :

- Food is prepared one day in advance
- Food is delivered through sanitary medium

hope this helps

It doesn't state that he washed his hands before or after preparing this poultry. even though he had it in seperate bags the bacteria from the poultry could have entered the vegtables because of a lack of handwashing. so cross-contamination is a very possible answer.