In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Input: Consider Input: Question: If Milo is travelling underground and he moves closer to the Earth's surface, what happens to the pressure around him? 
 Answer: decreases

Output: Pressure: Pressure increases with depth, but increased pressure raises the melting temperature, so melting of rock is less likely to occur at higher pressures.


Input: Consider Input: Question: Curt wants to make a drink from chocolate chips and milk. To make the chips melt more slowly, Shane will use chips that are 
 Answer: bigger

Output: It would be hard to get a big chunk of chocolate to dissolve in your milk or hot water. Maybe you could make hot chocolate from some smaller pieces like chocolate chips, but it is much easier to add a powder to your milk. This is because the smaller the pieces are, the more surface area they have.


Input: Consider Input: Question: If Mary is blowing an air horn underwater and she lowers the temperature of the water, what will happen to the speed of the sound waves generated by the air horn? 
 Answer: decrease


Output: For a given medium such as air, sound has a slower speed at lower temperatures.