Pauline took two small identical containers and filled them with the same amount of water. She dissolved a tablespoon of salt in one of them and placed both containers in a freezer. Pauline then observed them every five minutes until one of them had frozen. What is most likely the dependent variable (outcome variable) in this experiment? A. The time it took for the liquids to freeze
B. The amount of water in each container
C. The amount of salt in each container
D. The type of liquid