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: Ron was playing with a flashlight. He moved it back and forth slowly, and then quickly. Which motion likely caused more light to bend? 
 Answer: the quick motion
Example Output: In refraction of light, the greater the change in speed, the more light bends.

Example Input: Question: If we are able to recycle less things we have 
 Answer: more waste
Example Output: The advantage to biofuels is that they burn more cleanly than fossil fuels. As a result, they create less pollution and less carbon dioxide.

Example Input: Question: The reason scientists use huge telescopes is because they collect 
 Answer: more light
Example Output:
Larger telescopes can collect more light and see finer details than smaller telescopes.