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 watches a wave for 10 seconds and notices 10 crests. He watches another wave for 10 seconds and sees 5 crests. Which wave has a greater frequency? 
 Answer: 10 crests
Example Output: Wave frequency can be measured by counting the number of crests or compressions that pass the point in 1 second or other time period. The higher the number is, the greater is the frequency of the wave.

Example Input: Question: When Dean went to the top of the mountain and reached the peak, he noticed that the top of the mountain, compared to the bottom, had snow in amounts that were 
 Answer: larger
Example Output: Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects.

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: first
Example Output:
With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.