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: If Mona is putting together a new crib and she wants to have a harder time screwing the pieces together, what should she look for in a screw? 
 Answer: farther threads
Example Output: Therefore, if the threads on a screw are closer together, you need to apply less force to penetrate the wood or other object.

Example Input: Question: John was looking at sunscreen at the retail store. He noticed that sunscreens that had higher SPF would offer protection that is 
 Answer: Longer
Example Output: A sunscreen with a higher SPF protects the skin longer.

Example Input: Question: Trina is a scientist who studies the surfaces of rocks. She is studying two rocks in particular to see which has more places for chemical weathering. The first rock has 1 square meter of surface space exposed. The second rock has 2 square meters of rock exposed. Therefore, the _____ rock will have more places for chemical weathering. 
 Answer: second
Example Output:
With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.