Answer the following question: You are presented with the quiz "Reducing temperature changes what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "freezing means changing from a liquid into a solid by reducing heat energy" and "all temperatures are measures of heat energy". So, what's the best answer to the question?

Possible answers: (1). Evaporation. (2). Dehydration. (3). solids to gases. (4). gases to liquids. (5). liquids to solids. (6). Quality of life. (7). solids to liquids. (8). They may not survive..
Answer:
(5).