Final answer:
The correct temperature range for cold line ingredients is between 32°F to 40°F to maintain their quality and safety. This temperature range is considered the safe zone for refrigerated storage of perishable foods.
Step-by-step explanation:
The correct answer is a) 32°F to 40°F. In food safety, it is important to maintain proper temperatures to prevent the growth of bacteria that can cause foodborne illnesses. Cold line ingredients, such as refrigerated items, should be stored at temperatures between 32°F and 40°F to ensure their quality and safety. These temperatures help to slow down bacterial growth and maintain the freshness of the ingredients. This temperature range is considered the safe zone for refrigerated storage of perishable foods.