Which will stay cooler for a longer time in a picnic cooler on a hot summer day?

Name: Which will stay cooler for a longer time in a picnic cooler on a hot summer day?
Brand: Quizplus
Rating: 4.9 (55 reviews)

Question

Quizplus · Accepted Answer

Jello is a solid which can hold its shape and maintain its coolness for a longer period, while the sandwiches and salami contain meat and other ingredients that can quickly spoil in warm temperatures. The high water content in jello also helps to keep it cooler for longer.

Which Will Stay Cooler for a Longer Time in a Picnic