In school, Jarrett learned that salt lowers the freezing point of water. He wants to test this in a home experiment. He adds an equal amount of salt and room-temperature water into three identical containers. Which of the following steps should Jarrett perform next?
A.
Place all three containers outside on a hot day.
B.
Place the containers in separate freezers with different freezing temperatures.
C.
Place the containers in the same freezer.
D.
Place one container in the freezer, one in the refrigerator, and one at room temperature.