C
Below is a question with multiple-choice answers. Choose the correct option based on your reasoning.

### Question:
Which of the water samples described below has the greatest average kinetic energy per molecule?

### Choices:
A. 1 liter of ice at a temperature of -50°C
B. 10 liters of ice at a temperature of -75°C
C. 1 liter of water at a temperature of 75°C
D. 10 liters of water at a temperature of 50°C

### Answer:
