Final answer:
Insulation helps to protect foods against chilling injury by reducing heat transfer between the food and the surrounding environment.
Step-by-step explanation:
The correct answer is A) Insulation.
Insulation helps to protect foods against chilling injury by providing a barrier that reduces heat transfer between the food and the surrounding environment. This helps to maintain a more stable temperature for the food, preventing it from becoming too cold and potentially suffering from chilling injury.
For example, placing a layer of insulation, such as a foam cooler or thermal packaging, around perishable food items can help to maintain their quality and prevent chilling injury during transportation or storage.