A glass of water is removed from a refrigerator. A few ice cubes are then added to the glass of water. The glass is afterwards left in the room for several hours. The graph illustrates how the temperature of the water in the glass changes from the moment it is taken out of the refrigerator. What does the temperature labelled $X$ indicate?
- Aboiling point of water
- Bmelting point of ice
- Croom temperature
- Dtemperature inside refrigerator