The correct option is B A - Evaporation, B - Freezing
In the given image, process A represents the change of state from liquid to a gas which is known as evaporation. Any liquid compound, when heated to it's boiling point, begins to convert into gaseous state. Process B repesents the change of state from liquid to solid, known as freezing. Any liquid compound, when cooled down to it's freezing point, begins to convert into solid state.