describes thetemperature at which aliquid's molecular motionbecomes so slow that itsolidifies.A. Boiling pointB. Melting pointD. Freezing pointC. Condensationpoint

The answer here is D. Freezing point.
Explanation: it is the temperature at which a liquid becomes a solid.
e.g. water freezes at 32 degrees Fahrenheit (0 degrees Celsius).