State Changes MET

These sorts of questions are relatively simple owing to general knowledge and real world experiences.

If a ice block changes to water on your hand, that is called melting and makes your hand cold as it is absorbing energy. If a puddle disappears in the sun, that is called evaporation and once again is absorbing energy, this time from the sun. Going the other way, gas condenses to a liquid, and liquid freezes to a solid. However, during these two processes latent heat is released and makes the area around the water or ice hotter - this seems counterintuitive but the moment that liquid water turns to ice in your freezer, the air in the freezer gets hotter, not colder, because of the release of energy.

The most important of these processes is condensation, where the latent heat release has profound consequences for stability, the formation of clouds and thunderstorms, and other meteorological phenomenon.

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Which of the following processes is defined as a change from solid to liquid?
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