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 Milo's country begins decreasing the size of its population, what happens to its growth rate? 
 Answer: it decreases
Example Output: With exponential growth, the population starts out growing slowly. As population size increases, the growth rate also increases.

Example Input: Question: Allie lives in Phoenix and Tony lives in Seattle. Who likely would suffer a drought in their city? 
 Answer: Allie
Example Output: Drier climates generally have less water for people to use.

Example Input: Question: Rich increased the pH value of a solution in the lab. The acid is now 
 Answer: stronger
Example Output:
The lower the pH value is, the greater is the concentration of hydrogen ions and the stronger the acid.