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.

Example Input: Question: When waves in the ocean go fast there will be 
 Answer: more
Example Output: A: As the car approaches the radar gun, the reflected microwaves get bunched up in front of the car. Therefore, the waves the receiver detects have a higher frequency than they would if they were being reflected from a stationary object. The faster the car is moving, the greater the increase in the frequency of the waves.

Example Input: Question: Mona is excavating a deep tunnel as part of an exploratory committee. As she bores deeper in to the Earth, what can she expect will happen to the temperature? 
 Answer: increase
Example Output: Temperature increases with depth inside the Earth, so melting of rocks is more likely to occur at greater depths.

Example Input: Question: If demand for solar power were to fall, the power would become _____ expensive. 
 Answer: more
Example Output:
Solar power is expensive, but as demand increases technology improves and costs decrease.