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: A city will grow larger when the number of people who are there 
 Answer: grows
Example Output: More people also means more clearing of land for agriculture and development.

Example Input: Question: Compared to the Sun, would the planet Earth have 
 Answer: less inertia?
Example Output: Objects with greater mass have greater inertia.

Example Input: Question: If you mixed salt water and regular water which would float? 
 Answer: regular water
Example Output:
Water density increases as salinity and pressure increase, or as temperature decreases.