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 Q]: Question: An increase in food will likely lead to _____ lifespans. 
 Answer: longer
[EX A]: New farm machines were invented. They increased the amount of food that could be produced. With more food, people were healthier and could live longer.

[EX Q]: Question: If the population of Mona's city has been growing recently and there are more people living there this year compared to last year, what happens to the need for resources? 
 Answer: increased need
[EX A]: More people need more resources.

[EX Q]: Question: Will smashes a rock. The total surface area of the rock has now 
 Answer: increased
[EX A]:
As rock breaks into smaller pieces, the surface area of the pieces increases.