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? 20 points and brainlist the open container

the rubber-lined container

the aluminum-lined container

the fiberglass-lined container