You are presented with the question "How is ice made?" and the following answer choices: 
- The area was once underwater
 - Melting it
 - Drying it out
 - salt and water.
 - It gets heated up
 - It used to be covered by water
 - Boiling the water
 - Reducing heat energy

Now knowing that freezing means changing from a liquid into a solid by reducing heat energy and ice is a cold frozen liquid, choose the best answer.


 

        Reducing heat energy 