Question: A person has a restaurant where they have a salad bar. The salad bar is packed with ice to keep food cold. The ice may last longer if
Choices:
text: the room is warm
label: A
text: salt is heavily applied
label: B
text: people eat the food
label: C
text: food is already warm
label: D
Answer: B
Fact: adding salt to a liquid decreases the melting point of that liquid