Finish the following sentence with the best choice: To make ice last longer in a cooler.

Choices:
- When you go to the beach and take your cooler with you, sprinkle salt on the ice so that it stays frozen for much longer.
- When you go to the beach and take your cooler with you, sprinkle chocolate chips on the ice so that it stays frozen for much longer.

Answer:
When you go to the beach and take your cooler with you, sprinkle salt on the ice so that it stays frozen for much longer.