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.

Ex 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 less heat energy? 
 Answer: snowy hill

Ex Output:
Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.


Ex Input:
Question: John was looking at the climate model data in his office. He saw there were less changes as the amount of gases were 
 Answer: Lower

Ex Output:
As greenhouse gases increase, changes will be more extreme.


Ex Input:
Question: A hydrocarbon with more carbon atoms will have _____ isomers. 
 Answer: many

Ex Output:

The more carbon atoms a hydrocarbon has, the greater the number of isomers.