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: Tony drives an SUV that contributes many greenhouse gases to the atmosphere. Evan rides a scooter that contributes few greenhouses gases to the atmosphere. Who likely contributes more to the Earth heating up? 
 Answer: Tony
Example Output: If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up.

Example Input: Question: A wave with a high frequency has _____ energy than a wave with a low frequency. 
 Answer: more
Example Output: Higher frequency waves have greater energy.

Example Input: Question: Jimbo was playing on his sled one day. He slid down a snowy hill and then slid down a rocky hill. Which hill created more heat energy? 
 Answer: rocky hill
Example Output:
Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.