What variable changed to turn the liquid water into solid ice.​

This is called melting. Melting happens when the temperature is 32°F (0°C) or higher. This is the melting point of water. If you cool liquid water to 32°F (0°C) or lower, it becomes solid.

1."lessen the worth of ."

2."increase the worth of."

3." beyond the worth of."

4."against the worth of ."