Question

Ice used to keep food cold on a salad bar or food display needs to be:

Answer 1

Ice used to keep food cold on a salad bar or food display needs to meet certain conditions: use a smaller quantity of ice, use containers with greater thickness, use containers with smaller surface areas, and use a lower ambient temperature outside the container.

Step-by-step explanation:

Ice used to keep food cold on a salad bar or food display needs to meet certain conditions:

1. Use a smaller quantity of ice (smaller m).
2. Use containers with greater thickness (larger d).
3. Use containers with smaller surface areas (smaller A).
4. Use a lower ambient temperature outside the container (smaller T₂).

By following these conditions, the ice will last longer and keep the food colder.