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.
One example: Question: The government of Canada is considering implementing less carbon taxes across the country. If these taxes were implemented, the amount of carbon dioxide emissions in the country would be expected to 
 Answer: rise
Solution is here: The carbon taxes encourage people to use less fossil fuel, which reduces carbon dioxide emissions.
Explanation: As mentioned in the input Question and Answer, the output statement constructs the explanation correctly. By decreasing the taxes, carbon dioxide emissions will rise, so the explanation is correct. 

Now, solve this: 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
Solution:
With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.
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.
One example: Question: The government of Canada is considering implementing less carbon taxes across the country. If these taxes were implemented, the amount of carbon dioxide emissions in the country would be expected to 
 Answer: rise
Solution is here: The carbon taxes encourage people to use less fossil fuel, which reduces carbon dioxide emissions.
Explanation: As mentioned in the input Question and Answer, the output statement constructs the explanation correctly. By decreasing the taxes, carbon dioxide emissions will rise, so the explanation is correct. 

Now, solve this: 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
Solution:
user
With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.
assistant
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.
One example: Question: The government of Canada is considering implementing less carbon taxes across the country. If these taxes were implemented, the amount of carbon dioxide emissions in the country would be expected to 
 Answer: rise
Solution is here: The carbon taxes encourage people to use less fossil fuel, which reduces carbon dioxide emissions.
Explanation: As mentioned in the input Question and Answer, the output statement constructs the explanation correctly. By decreasing the taxes, carbon dioxide emissions will rise, so the explanation is correct. 

Now, solve this: 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
Solution:
With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.