One open container and three insulated, closed containers are filled with 1000 mL of ice cream. Each container is placed in the same location for one hour and the ice cream is checked for melting. The data are recorded in the graph.

According to the graph, which container is most effective in keeping the ice cream from melting?

Question 3 options:

the open container


the rubber-lined container


the aluminum-lined container


the fiberglass-lined container